Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn Nguyễn trọng sửu - NGUYN SINH QUN https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ Câu hỏi tập trắc nghiệm https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ Vật lí 11 https://www.facebook.com/tailieupro/ Ch-ơng trình chuẩn https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr * Trắc nghiệm khách quan đánh giá kết học tập học sinh * Câu hỏi tập trắc nghiệm Vật lí lớp 11 * Một số dạng đề kiểm tra trắc nghiệm Nhà xuất Hà nội - 2007 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn Phần II https://www.facebook.com/tailieupro/ Câu hỏi tập trắc nghiệm vật lí lớp 11 https://www.facebook.com/tailieupro/ Chng I: https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr IN TCH IN TRNG I Túm tt lý thuyt: Cỏc cỏch nhim in cho vt: Cú cỏch nhim in cho vt l nhim in - C xỏt - Tip xỳc - Hng ng Hai loi in tớch v tng tỏc gia chỳng: - Cú hai loi in tớch l in tớch dng v in tớch õm - Cỏc in tớch cựng du y nhau, trỏi du thỡ hỳt nh lut Cu lụng: Lc hỳt hay y gia hai in tớch im cú phng trựng vi ng ni hai in tớch im, cú ln t l thun vi tớch ln hai in tớch v t l nghch vi bỡnh phng khong cỏch gia chỳng qq F k r2 2 k: 9.10 N.m /C ; : hng s in mụi ca mụi trng Thuyt electron: thuyt da vo s c trỳ v di chuyn ca electron gii thớch cỏc hin tng in v cỏc tớnh cht in ca cỏc vt gi l thuyt electron nh lut bo ton in tớch: Trong mt h cụ lp v in, tng i s cỏc in tớch l khụng i in trng: a) Khỏi nim cng in trng: in trng l mụi trng (dng vt cht) bao quanh in tớch v gn lin vi in tớch in trng tỏc dng lc in lờn cỏc in tớch khỏc t nú b) Cng in trng: - Cng in trng ti mt im c trng cho tỏc dng ca lc in trng ti im ú Nú c xỏc nh bng thng s ca lc in tỏc dng F tỏc dng lờn mt in tớch th q (dng) t ti im ú v ln ca q - c im ca vộc t cng in trng + im t: Ti im ang xột + Phng chiu: cựng phng chiu vi lc in tỏc dng lờn in tớch th dng t ti im ang xột + ln: E = F/q (q dng) - n v: V/m c) Cng in trng gõy bi in tớch im Q: kQ r2 n Biu thc: E Cm - Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn - Chiu ca cng in trng: hng xa Q nu Q dng, hng v phớa Q nu Q õm https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr d) Nguyờn lớ chng cht in trng: Cng in trng ti mt im bng tng cỏc vộc t cng in trng thnh phn ti im ú ng sc in: a) Khỏi nim: ng sc in l ng m tip tuyn ti mi im ca nú l giỏ ca vộc t cng in trng ti im ú b) Cỏc c im ca ng sc in - Qua mi im in trng ch v c mt ng sc v ch mt m thụi - ng sc in l nhng ng cú hng Hng ca ng sc in ti mt im l hng ca cng in trng ti im ú - ng sc in trng tnh l nhng ng khụng khộp kớn - Quy c: V s ng sc t l vi cng in trng ti im ú in trng u: - L in trng m vộc t cng in trng cú hng v ln nh ti mi im - ng sc ca in trng u l nhng ng song song cỏch u Cụng ca lc in: Cụng ca lc in trng l dch chuyn in tớch in trng u khụng ph thuc vo hỡnh dng ng i m ch ph thuc im u, im cui ca ng i A= qEd 10 Th nng ca in tớch in trng - Th nng ca mt in tớch q in trng c trng cho kh nng in trng Nú c tớnh bng cụng ca lc in trng dch chuyn in tớch ú n im c chn lm mc (thng c chn l v trớ m in trng mt kh nng sinh cụng) - Biu thc: WM = AM = VM.q 11 in th: - in th ti mt im in trng l i lng c trng riờng cho in trng v kh nng sinh cụng t ti ú mt in tớch q Nú c xỏc nh bng thng s ca cụng ca lc in tỏc dng lờn q q dch chuyn t im ú vụ cc - Biu thc: VM = AM/q - n v: V ( vụn) 12 Hiu in th: - Hiu in th gia hai im M, N in trng c trng cho kh nng sinh cụng ca lc in trng s di chuyn ca mt in tớch im t M n N Nú c xỏc nh bng thng s ca cụng ca lc in tỏc dng lờn in tớch q s di chuyn t M n N v ln ca in tớch q - Biu thc: UMN = VM VN = AMN/q - n v: V (vụn) 13 Liờn h gia cng in trng v hiu in th: U = E.d 14 T in: - T in l mt h thng gm hai vt dn t gn v ngn cỏch vi bng lp cht cỏch in Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn - T in phng c cu to t bn kim loi phng song song vi v ngn cỏch vi bng in mụi in dung l i lng c trng cho kh nng tớch in ca t in Nú c xỏc nh bng thng s gia in tớch ca t v hiu in th gia hai bn ca nú https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr - - Q U n v ca in dung l Fara (F) Fara l in dung ca mt t in m nu t vo hai bn ca t in mt hiu in th V thỡ hiu in th nú tớch c l C Khi t in cú in dung C, c tớch mt in lng Q, nú mang mt nng lng Q2 in trng l: W 2C Biu thc: C II Cõu hi v bi tp: Bi IN TCH NH LUT CU LễNG Trong nhng cỏch sau cỏch no cú th lm nhim in cho mt vt? A C chic v bỳt lờn túc; B t mt nhanh nha gn mt vt ó nhim in; C t mt vt gn ngun in; D Cho mt vt tip xỳc vi viờn pin Trong cỏc hin tng sau, hin tng no khụng liờn quan n nhim in? A V ụng lc dớnh rt nhiu túc chi u; B Chim thng xự lụng v rột; C ễtụ ch nhiờn liu thng th mt si dõy xớch kộo lờ trờn mt ng; D Sột gia cỏc ỏm mõy in tớch im l A vt cú kớch thc rt nh B in tớch coi nh trung ti mt im C vt cha rt ớt in tớch D im phỏt in tớch V s tng tỏc in, cỏc nhn nh di õy, nhn nh sai l A Cỏc in tớch cựng loi thỡ y B Cỏc in tớch khỏc loi thỡ hỳt C Hai nha ging nhau, sau c xỏt vi len d, nu a li gn thỡ chỳng s hỳt D Hai thy tinh sau c xỏt vo la, nu a li gn thỡ chỳng s y Khi khong cỏch gia hai in tớch im chõn khụng gim xung ln thỡ ln lc Cu lụng A tng ln B tng ln C gim ln D gim ln Nhn xột khụng ỳng v in mụi l: A in mụi l mụi trng cỏch in B Hng s in mụi ca chõn khụng bng C Hng s in mụi ca mt mụi trng cho bit lc tng tỏc gia cỏc in tớch mụi trng ú nh hn so vi chỳng t chõn khụng bao nhiờu ln D Hng s in mụi cú th nh hn Cú th ỏp dng nh lut Cu lụng tớnh lc tng tỏc trng hp Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn A tng tỏc gia hai thy tinh nhim t gn B tng tỏc gia mt thy tinh v mt nha nhim in t gn C tng tỏc gia hai qu cu nh tớch in t xa D tng tỏc in gia mt thy tinh v mt qu cu ln https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr Cú th ỏp dng nh lut Cu lụng cho tng tỏc no sau õy? A Hai in tớch im dao ng quanh hai v trớ c nh mt mụi trng B Hai in tớch im nm ti hai v trớ c nh mt mụi trng C Hai in tớch im nm c nh gn nhau, mt du, mt nc D Hai in tớch im chuyn ng t cựng mụi trng Cho in tớch cú ln khụng i, t cỏch mt khong khụng i Lc tng tỏc gia chỳng s ln nht t A chõn khụng B nc nguyờn cht C du D khụng khớ iu kin tiờu chun 10 Xột tng tỏc ca hai in tớch im mt mụi trng xỏc nh Khi lc y Cu lụng tng ln thỡ hng s in mụi A tng ln B khụng i C gim ln D gim ln 11 S khụng cú ý ngha ta núi v hng s in mụi ca A hc ớn ( nha ng) B nha C thy tinh 12 Trong vt no sau õy khụng cú in tớch t do? A niken B thy ngõn C chỡ D nhụm D g khụ 13 Hai in tớch im trỏi du cú cựng ln 10-4/3 C t cỏch m parafin cú in mụi bng thỡ chỳng A hỳt mt lc 0,5 N B hỳt mt lc N C y mt lc 5N D y mt lc 0,5 N 14 Hai in tớch im cựng ln 10-4 C t chõn khụng, tng tỏc bng lc cú ln 10-3 N thỡ chỳng phi t cỏch A 30000 m B 300 m C 90000 m D 900 m 15 Hai in tớch im c t c nh v cỏch in mt bỡnh khụng khớ thỡ hỳt lc l 21 N Nu y du cú hng s in mụi 2,1 vo bỡnh thỡ hai in tớch ú s A hỳt lc bng 10 N B y mt lc bng 10 N C hỳt mt lc bng 44,1 N D y lc bng 44,1 N 16 Hai in tớch im c t c nh v cỏch in mt bỡnh khụng khớ thỡ lc tng tỏc Cu lụng gia chỳng l 12 N Khi y mt cht lng cỏch in vo bỡnh thỡ lc tng tỏc gia chỳng l N Hng s in mụi ca cht lng ny l A B 1/3 C D 1/9 17 Hai in tớch im t cỏch 100 cm parafin cú hng s in mụi bng thỡ tng tỏc vi bng lc N Nờu chỳng c t cỏch 50 cm chõn khụng thỡ tng tỏc bng lc cú ln l A N B N C N D 48 N Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn 18 Hai in tớch im cựng ln c t cỏch m nc nguyờn cht tng tỏc vi mt lc bng 10 N Nc nguyờn cht cú hng s in mụi bng 81 ln ca mi in tớch l A C B 9.10-8 C C 0,3 mC D 10-3 C https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr THUYT ELECTRON NH LUT BO TON IN TCH Xột cu to nguyờn t v phng din in Trong cỏc nhn nh sau, nhn nh khụng ỳng l: A Proton mang in tớch l + 1,6.10-19 C B Khi lng notron xp x lng proton C Tng s ht proton v notron ht nhõn luụn bng s electron quay xung quanh nguyờn t D in tớch ca proton v in tớch ca electron gi l in tớch nguyờn t Ht nhõn ca mt nguyờn t oxi cú proton v notron, s electron ca nguyờn t oxi l A B 16 C 17 D Tng s proton v electron ca mt nguyờn t cú th l s no sau õy? A 11 B 13 C 15 D 16 Nu nguyờn t ang tha 1,6.10-19 C in lng m nú nhn c thờm electron thỡ nú A s l ion dng B l ion õm C trung ho v in D cú in tớch khụng xỏc nh c Nu nguyờn t oxi b mt ht electron nú mang in tớch A + 1,6.10-19 C B 1,6.10-19 C C + 12,8.10-19 C D - 12,8.10-19 C iu kin vt dn in l A vt phi nhit phũng C vt nht thit phi lm bng kim loi B cú cha cỏc in tớch t D vt phi mang in tớch Vt b nhim in c xỏt vỡ c xỏt A eletron chuyn t vt ny sang vt khỏc C cỏc in tớch t c to vt B vt b núng lờn D cỏc in tớch b mt i Trong cỏc hin tng sau, hin tng nhim in hng ng l hin tng A u kim loi b nhim in t gn qu cu mang in B Thanh thc nha sau mi lờn túc hỳt c cỏc giy C Mựa hanh khụ, mc qun vi tng hp thng thy vi b dớnh vo ngi D Qu cu kim loi b nhim in nú chm vo nha va c xỏt vo len d Cho qu cu kim loi tớch in ln lt tớch in l + C, - C v C Khi cho chỳng c tip xỳc vi thỡ in tớch ca h l A C B 11 C C + 14 C D + C IN TRNG V CNG IN TRNG NG SC IN in trng l A mụi trng khụng khớ quanh in tớch Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn B mụi trng cha cỏc in tớch C mụi trng bao quanh in tớch, gn vi in tớch v tỏc dng lc in lờn cỏc in tớch khỏc t nú D mụi trng dn in https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr Cng in trng ti mt im c trng cho A th tớch vựng cú in trng l ln hay nh B in trng ti im ú v phng din d tr nng lng C tỏc dng lc ca in trng lờn in tớch ti im ú D tc dch chuyn in tớch ti im ú Ti mt im xỏc nh in trng tnh, nu ln ca in tớch th tng ln thỡ ln cng in trng A tng ln B gim ln C khụng i D gim ln Vộc t cng in trng ti mi im cú chiu A cựng chiu vi lc in tỏc dng lờn in tớch th dng ti im ú B cựng chiu vi lc in tỏc dng lờn in tớch th ti im ú C ph thuc ln in tớch th D ph thuc nhit ca mụi trng Trong cỏc n v sau, n v ca cng in trng l: A V/m2 B V.m C V/m D V.m2 Cho mt in tớch im Q; in trng ti mt im m nú gõy cú chiu A hng v phớa nú B hng xa nú C ph thuc ln ca nú D ph thuc vo in mụi xung quanh ln cng in trng ti mt im gõy bi mt in tớch im khụng ph thuc A ln in tớch th B ln in tớch ú C khong cỏch t im ang xột n in tớch ú D hng s in mụi ca ca mụi trng Nu ti mt im cú in trng thnh phn gõy bi in tớch im Hai cng in trng thnh phn cựng phng im ang xột nm trờn A ng ni hai in tớch B ng trung trc ca on ni hai in tớch C ng vuụng gúc vi on ni hai in tớch ti v trớ in tớch D ng vuụng gúc vi on ni hai in tớch ti v trớ in tớch Nu ti mt im cú in trng gõy bi in tớch im Q1 õm v Q2 dng thỡ hng ca cng in trng ti im ú c xỏc nh bng A hng ca tng vộc t cng in trng in trng thnh phn B hng ca vộc t cng in trng gõy bi in tớch dng C hng ca vộc t cng in trng gõy bi in tớch õm D hng ca vộc t cng in trng gõy bi in tớch gn im ang xột hn 10 Cho in tớch im nm im A v B v cú cựng ln, cựng du Cng in trng ti mt im trờn ng trung trc ca AB thỡ cú phng A vuụng gúc vi ng trung trc ca AB Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn B trựng vi ng trung trc ca AB C trựng vi ng ni ca AB D to vi ng ni AB gúc 450 https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 11 Cho in tớch im nm im A v B v cú cựng ln, cựng du im cú in trng tng hp bng l A trung im ca AB B tt c cỏc im trờn trờn ng trung trc ca AB C cỏc im to vi im A v im B thnh mt tam giỏc u D cỏc im to vi im A v im B thnh mt tam giỏc vuụng cõn 12 Nu khong cỏch t in tớch ngun ti im ang xột tng ln thỡ cng in trng A gim ln B tng ln C gim ln B tng ln 13 Cho hai qu cu kim loi tớch in cú ln bng nhng trỏi du t cỏch mt khong khụng i ti A v B thỡ ln cng in trng ti mt im C trờn ng trung trc ca AB v to vi A v B thnh tam giỏc u l E Sau cho hai qu cu tip xỳc vi ri t li A v B thỡ cng in trng ti C l A B E/3 C E/2 D E 14 ng sc in cho bit A ln lc tỏc dng lờn in tớch t trờn ng sc y B ln ca in tớch ngun sinh in trng c biu din bng ng sc y C ln in tớch th cn t trờn ng sc y D hng ca lc in tỏc dng lờn in tớch im c trờn ng sc y 15 Trong cỏc nhn xột sau, nhn xột khụng ỳng vi c im ng sc in l: A Cỏc ng sc ca cựng mt in trng cú th ct B Cỏc ng sc ca in trng tnh l ng khụng khộp kớn C Hng ca ng sc in ti mi im l hng ca vộc t cng in trng ti im ú D Cỏc ng sc l cỏc ng cú hng 16 Nhn nh no sau õy khụng ỳng v ng sc ca in trng gõy bi in tớch im + Q? A l nhng tia thng B cú phng i qua in tớch im C cú chiu hng v phớa in tớch D khụng ct 17 in trng u l in trng m cng in trng ca nú A cú hng nh ti mi im B cú hng v ln nh ti mi in C cú ln nh ti mi im D cú ln gim dn theo thi gian 18 t mt in tớch th - 1C ti mt im, nú chu mt lc in 1mN cú hng t trỏi sang phi Cng in trng cú ln v hng l A 1000 V/m, t trỏi sang phi B 1000 V/m, t phi sang trỏi C 1V/m, t trỏi sang phi D V/m, t phi sang trỏi Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn 19 Mt in tớch -1 C t chõn khụng sinh in trng ti mt im cỏch nú 1m cú ln v hng l A 9000 V/m, hng v phớa nú B 9000 V/m, hng xa nú C 9.10 V/m, hng v phớa nú D 9.109 V/m, hng xa nú https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 20 Mt im cỏch mt in tớch mt khong c nh khụng khớ cú cng in trng 4000 V/m theo chiu t trỏi sang phi Khi mt cht in mụi cú hng s in mụi bng bao chựm in tớch im v im ang xột thỡ cng in trng ti im ú cú ln v hng l A 8000 V/m, hng t trỏi sang phi B 8000 V/m, hng t phi sang trỏi C 2000 V/m, hng t phi sang trỏi D 2000 V/m hng t trỏi sang phi 21 Trong khụng khớ, ngi ta b trớ in tớch cú cựng ln 0,5 C nhng trỏi du cỏch m Ti trung im ca in tớch, cng in trng l A 9000 V/m hng v phớa in tớch dng B 9000 V/m hng v phớa in tớch õm C bng D 9000 V/m hng vuụng gúc vi ng ni hai in tớch 22 Cho in tớch im trỏi du, cựng ln nm c nh thỡ A khụng cú v trớ no cú cng in trng bng B v trớ cú in trng bng nm ti trung im ca on ni in tớch C v trớ cú in trng bng nm trờn ng ni in tớch v phớa ngoi in tớch dng D v trớ cú in trng bng nm trờn ng ni in tớch v phớa ngoi in tớch õm 23 Ti mt im cú cng in trng thnh phn vuụng gúc vi v cú ln l 3000 V/m v 4000V/m ln cng in trng tng hp l A 1000 V/m B 7000 V/m C 5000 V/m D 6000 V/m CễNG CA LC IN Cụng ca lc in khụng ph thuc vo A v trớ im u v im cui ng i B cng ca in trng C hỡnh dng ca ng i D ln in tớch b dch chuyn Th nng ca in tớch in trng c trng cho A kh nng tỏc dng lc ca in trng B phng chiu ca cng in trng C kh nng sinh cụng ca in trng D ln nh ca vựng khụng gian cú in trng Nu chiu di ng i ca in tớch in trng tng ln thỡ cụng ca lc in trng A cha d kin xỏc nh B tng ln C gim ln D khụng thay i Cụng ca lc in trng khỏc in tớch A dch chuyn gia im khỏc ct cỏc ng sc B dch chuyn vuụng gúc vi cỏc ng sc in trng u C dch chuyn ht qu o l ng cong kớn in trng D dch chuyn ht mt qu o trũn in trng 10 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn Khi in tớch dich chuyn dc theo mt ng sc mt in trng u, nu quóng ng dch chuyn tng ln thỡ cụng ca lc in trng A tng ln B tng ln C khụng i D gim ln https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro IN TH - HIU IN TH https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 6.Nu in tớch dch chuyn in trng cho th nng ca nú tng thỡ cụng ca ca lc in trng A õm B dng C bng khụng D cha d kin xỏc nh Cụng ca lc in trng dch chuyn mt in tớch 1C dc theo chiu mt ng sc mt in trng u 1000 V/m trờn quóng ng di m l A 1000 J B J C mJ D J Cụng ca lc in trng dch chuyn mt in tớch - 2C ngc chiu mt ng sc mt in trng u 1000 V/m trờn quóng ng di m l A 2000 J B 2000 J C mJ D mJ Cho in tớch dch chuyn gia im c nh mt in trng u vi cng 150 V/m thỡ cụng ca lc in trng l 60 mJ Nu cng in trng l 200 V/m thỡ cụng ca lc in trng dch chuyn in tớch gia hai im ú l A 80 J B 40 J C 40 mJ D 80 mJ 10 Cho in tớch q = + 10-8 C dch chuyn gia im c nh mt in trng u thỡ cụng ca lc in trng l 60 mJ Nu mt in in tớch q = + 4.10-9 C dch chuyn gia hai im ú thỡ cụng ca lc in trng ú l A 24 mJ B 20 mJ C 240 mJ D 120 mJ 11 Cụng ca lc in trng dch chuyn quóng ng m mt in tớch 10 C vuụng gúc vi cỏc ng sc in mt in trng u cng 106 V/m l A J B 1000 J C mJ D J 12 Cụng ca lc in trng dch chuyn mt in tớch 10 mC song song vi cỏc ng sc mt in trng u vi quóng ng 10 cm l J ln cng in trng ú l A 10000 V/m B V/m C 100 V/m D 1000 V/m 13 Khi in tớch dch chuyn in trng u theo chiu ng sc thỡ nú nhn c mt cụng 10 J Khi dch chuyn to vi chiu ng sc 600 trờn cựng di quóng ng thỡ nú nhn c mt cụng l A J B / J C J D 7,5J in th l i lng c trng cho riờng in trng v A kh nng sinh cụng ca vựng khụng gian cú in trng B kh nng sinh cụng ti mt im C kh nng tỏc dng lc ti mt im D kh nng tỏc dng lc ti tt c cỏc im khụng gian cú in trng Khi ln in tớch th t ti mt im tng lờn gp ụi thỡ in th ti im ú A khụng i B tng gp ụi C gim mt na D tng gp n v ca in th l vụn (V) 1V bng A J.C B J/C C N/C D J/N 11 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn 16 Cc õm ca mt bỡnh in phõn dng cc tan cú dng mt lỏ mng Khi dũng in chy qua bỡnh in phõn h thỡ cc õm dy thờm 1mm cc õm dy thờm mm na thỡ phi tip tc in phõn cựng iu kin nh trc thi gian l A h B h C h D h https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ kim tra tit s https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 17 in phõn dng cc tan mt mui mt bỡnh in phõn cú cc õm ban u nng 20 gam Sau h u hiu in th gia cc l 20 V thỡ cc õm nng 25 gam Sau h tip theo hiu in th gia cc l 40 V thỡ lng ca cc õm l A 30 gam B 35 gam C 40 gam D 45 gam 18 200C in tr sut ca bc l 1,62.10-8 .m Bit h s nhit in tr ca bc l 4,1.10-3 K-1 330 K thỡ in tr sut ca bc l A 1,866.10-8 .m B 3,679.10-8 .m C 3,812.10-8 .m D 4,151.10-8 .m 19 Hin tng no sau õy khụng phi hin tng phúng in cht khớ? A ỏnh la buzi; B sột; C h quang in; D dũng in chy qua thy ngõn 20 Tia catod khụng cú c im no sau õy? A phỏt theo phng vuụng gúc vi b mt catod; B cú th lm en phim nh; C lm phỏt quang mt s tinh th; D khụng b lch hng in trng v t trng Cỏc ng sc t l cỏc ng cong v khụng gian cú t trng cho A phỏp tuyn ti mi im trựng vi hng ca t trng ti im ú B tip tuyn ti mi im trựng vi hng ca t trng ti im ú C phỏp tuyn ti mi im to vi hng ca t trng mt gúc khụng i D tip tuyn ti mi im to vi hng ca t trng mt gúc khụng i c im no sau õy khụng phi ca cỏc ng sc t biu din t trng sinh bi dũng in chy dõy dn thng di? A Cỏc ng sc l cỏc ng trũn; B Mt phng cha cỏc ng sc thỡ vuụng gúc vi dõy dn; C Chiu cỏc ng sc c xỏc nh bi quy tc bn tay trỏi; D Chiu cỏc ng sc khụng ph thuc chiu dũng dũng in Lc t tỏc dng lờn on dõy dn khụng ph thuc trc tip vo A ln cm ng t B cng dũng in chy dõy dn C chiờu di dõy dn mang dũng in C in tr dõy dn Nu lc t tỏc dng lờn on dõy dn mang dũng in gim ln thỡ ln cm ng t ti v trớ t on dõy ú A khụng i B tng ln C tng ln D gim ln ln cm ng t ti tõm vũng dõy dn trũn mang dũng in khụng ph thuc A ng kớnh dõy B ng kớnh vũng dõy 103 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn C hiu in th hai u dõy C mụi trng xung quanh https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr Nu cng dũng in dõy trũn tng ln v ng kớnh dõy tng ln thỡ cm ng t ti tõm vũng dõy A khụng i B tng ln C tng ln D gim ln Trong mt t trng cú chiu t ngoi, mt in tớch õm chuyn ng theo phng ngang chiu t phi sang trỏi Nú chu lc Lo ren x cú chiu A t di lờn trờn B t trờn xung di C t ngoi D t trỏi sang phi Cho h trc ta - cỏc vuụng gúc, nu mt proton bay theo chiu trc Ox v t trng u b trớ ngc chiu trc Oy thỡ lc Lo ren x tỏc dng lờn proton A ngc chiu trc Oz B cựng chiu trc Oz C ngc chiu Ox D cựng chiu Oy Ti mt im ng thi cú hai t trng thnh phn gõy bi hai ngun khỏc cú ln ln lt l B1 v B2 v ngc chiu T trng tng hp ngc chiu vi t trng A B1 > B2 B B1 = B2 C B1 < B2 D ỏp ỏn trờn u sai 10 Cho mt in tớch dng bay song song vi ng sc mt t trng u Nu tc ca in tớch tng ln thỡ ln lc Lo ren x A tng ln B gim ln C khụng i C tng ln 11 Mt on dõy dn di 1,5 m mang dũng in A, t vuụng gúc mt t trng u cú ln cm ng t 1,2 T Nú chu mt lc t tỏc dng l A N B 0,9 N C 900 N D N 12 Mt on dõy dn mang dũng in A t mt t trng u thỡ chu mt lc in N Nu dũng in qua dõy dn l A thỡ nú chu mt lc t cú ln l A 0,5 N B N C N D 32 N 13 Khi cho hai dõy dn song song di vụ hn cỏch a, mang hai dũng in cựng ln I nhng cựng chiu thỡ cm ng t ti cỏc im nm mt phng cha hai dõy v cỏch u hai dõy thỡ cú giỏ tr A B 10-7I/a C 10-7I/4a D 10-7I/ 2a 14 Ti mt im cỏch mt dõy dn thng di vụ hn mang dũng in A thỡ cú cm ng t 0,4 T Nu cng dũng in dõy dn tng thờm 10 A thỡ cm ng t ti im ú cú giỏ tr l A 0,8 T B 1,2 T D 0,2 T D 1,6 T 15 Hai ng dõy di bng v cú cựng s vũng dõy, nhng ng kớnh ng mt gp ụi ng kớnh ng hai Khi ng dõy mt cú dũng in 10 A thỡ ln cm ng t lũng ng mt l 0,2 T Nu dũng in ng hai l A thỡ ln cm ng t lũng ng hai l A 0,1 T B 0,2 T C 0,05 T D 0,4 T 16 Mt ng dõy c cun bng loi dõy tit din cú ng kớnh 0,5 mm cho cỏc vũng sỏt S vũng dõy trờn mt chiu di ng l A 1000 B 2000 C 5000 D cha d kin xỏc nh 104 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn 17 Mt in tớch cú ln C bay vi tc 2.105 m/s vuụng gúc vi cỏc ng sc vo mt t trng u cú ln cm ng t bng T ln lc Lo ren x tỏc dng lờn in tớch l A N B 104 N C 0,1 N D N https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ kim tra tit s https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 18 Hai in tớch q1 = 10C v in tớch q2 bay cựng hng, cựng tc vo mt t trng u Lc Lo ren x tỏc dng ln lt lờn q1 v q2 l 2.10-8 N v 5.10-8 N ln ca in tớch q2 l A 25 C B 2,5 C C C D 10 C 19 Mt in tớch mC cú lng 10 mg bay vi tc 1200 m/s vuụng gúc vi cỏc ng sc t vo mt t trng u cú ln 1,2 T, b qua trng lc tỏc dng lờn in tớch Bỏn kớnh qu o ca nú l A 0,5 m B m C 10 m D 0,1 mm 20 Hai in tớch ln, cựng lng bay vuụng vi cỏc ng cm ng vo cựng mt t trng u B qua ln ca trng lc in tớch mt bay vi tc 1000 m/s thỡ cú bỏn kớnh qu o 20 cm in tớch bay vi tc 1200 m/s thỡ cú bỏn kớnh qu o A 20 cm B 21 cm C 22 cm D 200/11 cm Nhn nh no sau õy v t thụng l khụng ỳng? A T thụng qua mt din tớch t l thun vi din tớch y B T thụng cú th nhn c giỏ tr õm v dng C n v ca t thụng l vờbe (Wb) D T thụng bng din tớch ang xột vuụng gúc vi ng sc t t Trong trng hp no sau õy khung dõy dn ch nht xut hin dũng in cm ng? A Khung dõy chuyn ng cho mt cch ca nú luụn trt trờn mt ng sc B Khung dõy chuyn ng tnh tin ct cỏc ng sc ca t trng u C.Khung dõy quay quanh trc i xng song song vi ng sc D Khung dõy quay quanh trc vuụng gúc vi ng sc Cho vộc t phỏp tuyn ca din tớch vuụng gúc vi cỏc ng sc t thỡ ln cm ng t gim ln, t thụng A bng B gim ln C tng ln D gim ln vờbe bng A T.m2 B T/m C T2.m D T/ m2 Dũng in Foucault khụng xut hin trng hp no sau õy? A Lỏ nhụm dao ng t trng u B Khi niken nm t trng bin thiờn C Khi thch anh nm t trng bin thin D Khi thy ngõn nm t trng bin thiờn ln ca sut in ng cm ng mch kớn t l vi A tc bin thiờn t thụng qua mch y B ln t thụng qua mch C in tr ca mch D din tớch ca mch 105 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn Hin tng t cm l hin tng cm ng in t s bin thiờn t thụng qua mch gõy bi A s bin thiờn ca chớnh cng in trng mch B s chuyn ng ca nam chõm vi mch C s chuyn ng ca mch vi nam chõm D s bin thiờn t trng Trỏi t https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr ng dõy cú cựng tit din vi ng dõy nhng chiu di ng v s vũng dõy u nhiu hn gp ụi T s h s t cm ca ng vi ng l A B C D Khi gúc ti tng ln thỡ gúc khỳc x A tng ln B tng ln C tng ln D cha d kin xỏc nh 10 Cho ỏnh sỏng truyn t mụi trng sut sang mụi trng sut vi gúc ti i Hin tng phn x ton phn xy A n1 > n2 v i < i gh B n1 < n2 v i < i gh C n1 > n2 v i > i gh D n1 < n2 v i > i gh 11 Mt khung dõy dn in tr hỡnh vuụng cch 20 cm nm t trng u cỏc cnh vuụng gúc vi ng sc Khi cm ng t gim u t T v thi gian 0,1 s thỡ cng dũng in dõy dn l A 0,4 A B A C mA D 40 mA 12 Mt ng dõy tit din 10 cm2, chiu di 20 cm v cú 4000 vũng dõy H s t cm ca ng dõy (khụng lừi, t khụng khớ) l A 0,8 H B 0,8 mH C mH D 0,8 mH 13 Mt dõy dn cú chiu di xỏc nh c cun trờn trờn ng dõy di l v bỏn kớnh ng r thỡ cú h s t cm 0,4 mH Nu cun lng dõy dn trờn trờn ng cú cựng chiu di nhng tit din tng gp ụi thỡ h s t cm ca ng l A 0,1 mH B 0,2 mH C 0,4 mH D 0,8 mH 14 Mt ng dõy 0,4 H ang tớch ly mt nng lng mJ Dũng in qua nú l A 0,2 A B 2 A C 0,4 A D A 15 Mt khung dõy dn in tr hỡnh vuụng cch 20 cm nm t trng u cỏc cnh vuụng gúc vi ng sc Khi cm ng t gim u t T v thi gian 0,1 s thỡ cng dũng in dõy dn l A 0,8 A B A C mA D 80 mA 16 Mt ng dõy cú dũng in A chy qua thỡ nú tớch ly mt nng lng t trng l 10 mJ Nu cú mt dũng in 18 A chy qua thỡ nú tớch ly mt nng lng l A 30 mJ B 60 mJ C 90 mJ D 10/3 mJ 17 Khi chiu ỏnh sỏng n sc t mt khụng khớ vo mt cht sut vi gúc ti 60 thỡ gúc khỳc x l 300 Khi chiu cựng ỏnh sỏng n sc ú t cht ó cho khụng khớ vi gúc ti 300 thỡ gúc ti A nh hn 300 B ln hn 600 C bng 600 D khụng xỏc nh c 106 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn 18 Chiu mt tia sỏng t thy tinh cú chit sut 1,5 vi gúc ti 500 khụng khớ Gúc khỳc x l A 410 B 500 C 61,130 D khụng xỏc nh c https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ kim tra tit s https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 19 Nc cú chit sut 1,33 Chiu ỏnh sỏng t nc ngoi khụng khớ, gúc cú th xy hin tng phn x ton phn l A 200 B 300 C 400 D 500 20 Cho chit sut ca nc bng 4/3, ca thy tinh thng 1,5, ca thy tinh flin l 1,8 Khụng th xy hin tng phn x ton phn chiu ỏnh sỏng t A t thy tinh thng vo nc B t nc vo thy tinh flin C t thy tinh thng vo thy tinh flin D t chõn khụng vo thy tinh flin Gúc lch ca tia sỏng truyn qua lng kớnh l gúc to bi A hai mt bờn ca lng kớnh B tia ti v phỏp tuyn C tia ti lng kớnh v tia lú lng kớnh D hai phỏp tuyn Trong cỏc nhn nh sau, nhn nh khụng ỳng v chựm sỏng qua thu kớnh hi t t khụng khớ l: A Chựm sỏng ti song song, chựm sỏng lú hi t; B Chựm sỏng ti hi t, chựm sỏng lú hi t; C Chựm sỏng ti qua tiờu im vt, chựm sỏng lú song song vi nhau; D Chựm sỏng ti thu kớnh khụng th cho chựm sỏng phõn kỡ Nhn nh no sau õy l ỳng v tiờu im chớnh ca thu kớnh? A Tiờu im nh chớnh ca thu kớnh hi t nm trc kớnh; B Tiờu im vt chớnh ca thu kớnh hi t nm sau thu kớnh; C Tiờu im nh chớnh ca thu kớnh phõn kỡ nm trc thu kớnh; D Tiờu im vt chớnh ca thu kớnh phõn kỡ nm trc thu kớnh Qua thu kớnh hi t nu vt tht mun cho nh ngc chiu ln hn vt thỡ vt phi t cỏch kớnh mt khong A ln hn 2f B bng 2f C t f n 2f D t n f H kớnh to nh thỡ nh cui qua h cú phúng i l: A k = k1/k2 B k = k1.k2 C k = k1 + k2 D k = k1+k2 c im no sau õy khụng ỳng núi v mt vin th? A Khi khụng iu tit thỡ chựm sỏng ti song song s hi t sau vừng mc; B im cc cn rt xa mt; C Khụng nhỡn xa c vụ cc; D Phi eo kớnh hi t sa tt Khi ngm chng vụ cc, bi giỏc qua kớnh lỳp ph thuc vo A khong nhỡn rừ ngn nht ca mt v tiờu c ca kớnh B khong nhỡn rừ ngn nht ca mt v cao nh 107 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn C khong cỏch t mt n kớnh v cao vt D cao nh v cao vt https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr bi giỏc ca kớnh hin vi ngm chng vụ cc khụng ph thuc vo A tiờu c ca vt kớnh B tiờu c ca th kớnh C khong cỏch gia vt kớnh v th kớnh D ln vt v nh Nhn nh no sau õy khụng ỳng v kớnh thiờn vn? A Kớnh thiờn l quang c b tr cho mt quan sỏt nhng vt rt xa; B Vt kớnh l mt thu kớnh hi t cú tiờu c ln; C Th kớnh l mt kớnh lỳp; D Khong cỏch gia vt kớnh v th kớnh c c nh 10 Khi ngm chng vụ cc qua kớnh thiờn vn, bi giỏc ph thuc vo A tiờu c ca vt kớnh v tiờu c ca th kớnh B tiờu c ca vt kớnh v khong cỏch t mt n th kớnh C tiờu c ca th kớnh, ca vt kớnh v khong cỏch gia hai kớnh D tiờu c ca hai kớnh v khong cỏch t tiờu im nh ca vt kớnh v tiờu im vt ca th kớnh 11 Chiu mt tia sỏng vi gúc ti 600 vo mt bờn mụt lng kớnh cú tit din l tam giỏc u thỡ gúc khỳc x mt bờn th nht bng gúc ti mt bờn th hai Bit lng kớnh t khụng khớ Chit sut ca cht lm lng kớnh l A / B / C D 12 t mt vt phng nh vuụng gúc trc mt thu kớnh phõn kỡ tiờu c 20 cm mt khong 60 cm nh ca vt nm A trc kớnh 15 cm B sau kớnh 15 cm C trc kớnh 30 cm D sau kớnh 30 cm 13 t mt vt phng nh vuụng gúc vi trc chớnh trc mt thu kớnh mt khong 40 cm, nh ca vt hng c trờn mt chn v cao bng vt Thu kớnh ny l A thu kớnh hi t tiờu c 30 cm B thu kớnh hi t tiờu c 40 cm C thu kớnh hi t tiờu c 40 cm D thu kớnh phõn kỡ tiờu c 30 cm 14 Cho mt h thu kớnh gm thu kớnh phõn kỡ (1) t ng trc vi thu kớnh hi t (2) tiờu c 40 cm cỏch kớnh mt l a nh to bi h kớnh l nh tht vi mi v trớ t vt trc kớnh (1) thỡ a phi A ln hn 20 cm B nh hn 20 cm C ln hn 40 cm D nh hn 40 cm 15 Mt ngi eo kớnh cú t -1 dp thỡ nhỡn xa vụ cựng m khụng phi iu tit Ngi ny: A Mc tt cn th v cú im cc vin cỏch mt m B Mc tt vin th v im cc cn cỏch mt m C Mc tt cn th v cú im cc cn cỏch mt cm D Mc tt vin th v im cc cn cỏch mt cm 16 Mt ngi cú khong nhỡn rừ ngn nht 24 cm, dựng mt kớnh cú t 50/3 dp t cỏch mt cm bi giỏc ngi ny ngm chng 20 cm l A B C D 108 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn 17 Mt kớnh hin vi vt kớnh cú tiờu c 0,8 cm, th kớnh cú tiờu c cm hai kớnh t cỏch 12,2 cm Mt ngi mt tt (cc cn chỏch mt 25 cm) t mt sỏt th kớnh quan sỏt nh bi giỏc nh ngm chng trng thỏi khụng iu tit l A 13,28 B 47,66 C 40,02 D 27,53 https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ II Cỏc kim tra hc kỡ (thi gian 45): https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr kim tra hc kỡ s https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 18 Mt ngi cú mt tt cú im cc cn cỏch mt 25 cm quan sỏt trng thỏi khụng iu tit qua mt kớnh hin vi m th kớnh cú tiờu c gp 10 ln th kớnh thỡ thy bi giỏc ca nh l 150 di quang hc ca kớnh l 15 cm Tiờu c ca vt kớnh v th kớnh ln lt l A cm v 0,5 cm B 0,5 cm v cm C 0,8 cm v cm D cm v 0,8 cm 19 Mt kớnh thiờn vt kớnh cú tiờu c 1,6 m, th kớnh cú tiờu c 10 cm Mt ngi mt tt quan sỏt trng thỏi khụng iu tit nhỡn vt rt xa qua kớnh thỡ phi chnh cho khong cỏch gia vt kớnh v th kớnh l A 170 cm B 11,6 cm C 160 cm D 150 cm 20 Mt ngi phi iu chnh khong cỏch gia vt kớnh v th kớnh ca kớnh thiờn l 100 cm ngm chng vụ cc Khi ú, nh cú bi giỏc l 19 Tiờu c ca vt kớnh v th kớnh ln lt l A 95 cm v cm B 100 cm v 10 cm C 100 cm v cm D 95 cm v 10 cm Cú th ỏp dng nh lut Cu lụng cho tng tỏc no sau õy? A Hai in tớch im dao ng quanh hai v trớ c nh mt mụi trng B Hai in tớch im nm ti hai v trớ c nh mt mụi trng 109 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn C Hai in tớch im nm c nh gn nhau, mt du, mt nc D Hai in tớch im chuyn ng t cựng mụi trng https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr Ni dung nh lut bo ton in tớch l A Khi khụng cú tng tỏc vi bờn ngoi thỡ tng i s cỏc in tớch ca h c bo ton B Trong h cụ lp v in, tng i s cỏc in tớch luụn bng C Trong h cụ lp v in, tng i s cỏc in tớch c bo ton D Trong h cụ lp v in, tng ln cỏc in tớch c bo ton Khi a in tớch dng xa nhau, lc in trng s sinh cụng A bng B dng C õm D cú th dng hoc õm Trong mt in trng u, hiu in th gia x im M v N cỏch 0,2 m l 10 V Hiu in th gia im M v Q cỏch l 0,4 m l A cha d kin xỏc nh B 20 V C V D 10 V Nhn xột no sau õy v t in l khụng ỳng? A T in l h thng cỏc vt dn t gn v cỏch in vi B tớch in cho t, cn ni hai u t vi mt hiu in th C tng in dung ca t, thỡ tng hiu in th hai u t D T xoay thay i hiu in th bng cỏch thay i phn din tớch phn bn t i Trong cỏc nhn nh v sut in ng, nhn nh khụng ỳng l: A Sut in ng l i lng c trng cho kh nng sinh cụng ca ngun in B Sut in ng c o bng thng s cụng ca lc l dch chuyn in tớch ngc nhiu in trng v ln in tớch dch chuyn C n v ca sut in ng l Jun D Sut in ng ca ngun cú tr s bng hiu in th gia hai cc mch ngoi h Cho mt on mch cú in tr khụng i Nu hiu in th hai u mch tng ln thỡ cựng khong thi gian nng lng tiờu th ca mch A tng ln B tng ln C khụng i D gim ln Cho mt mch in cú ngun in khụng i Khi in tr ngoi ca mch tng ln thỡ cng dũng in mch chớnh A cha d kin xỏc nh B tng ln C gim ln D khụng i Hin tng siờu dn l hin tng A in tr ca vt dn gim xung giỏ tr rt nh nhit gim xung thp B in tr ca vt gim xung rt nh in tr ca nú t giỏ tr cao C in tr ca vt gim xung bng khụng nhit ca vt nh hn mt giỏ tr nhit nht nh D in tr ca vt bng khụng nhit bng K 10 Nguyờn nhõn ca hin tng nhõn ht ti in l A tỏc nhõn dờn ngoi B s ht ti in rt ớt ban u c tng tc in trng va chm vo cỏc phõn t cht khớ gõy ion húa C lc in trng bt electron nguyờn t D nguyờn t t suy yu v tỏch thnh electron t v ion dng 110 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn 11 Ti mt im cú cng in trng thnh phn vuụng gúc vi v cú ln l 300 V/m v 400 V/m ln cng in trng tng hp l A 100 V/m B 700 V/m C 500 V/m D 600 V/m https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr kim tra hc kỡ s https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 12 Cho in tớch dch chuyn gia im c nh mt in trng u vi cng 150 V/m thỡ cụng ca lc in trng l 60 mJ Nu cng in trng l 200 V/m thỡ cụng ca lc in trng dch chuyn in tớch gia hai im ú l A 80 J B 40 J C 40 mJ D 80 mJ 13 Hai im trờn mt ng sc mt in trng u cỏch 2m ln cng in trng l 1000 V/m2 Hiu in th gia hai im ú l A 500 V B 1000 V C 2000 V D cha d kin xỏc nh 14 Mt t in c tớch in bng mt hiu in th 10 V thỡ nng lng ca t l 10 mJ Nu mun nng lng ca t tng thờm 12,5 mJ thỡ hai u t phi cú hiu in th l A 15 V B 7,5 V C 20 V D 40 V 15 Mt dũng in khụng i cú cng A thỡ sau mt khong thi gian cú mt in lng C chuyn qua mt tit din thng Cựng thi gian ú, vi dũng in 4,5 A thỡ cú mt in lng chuyn qua tit din thng l A C B C C 4,5 C D C 16 Mt on mch cú in tr xỏc nh vi hiu in th hai u khụng i thỡ phỳt tiờu th mt 40 J in nng Thi gian mch tiờu th ht mt kJ in nng l A 25 phỳt B 1/40 phỳt C 40 phỳt D 10 phỳt 17 Trong mt mch kớn m in tr ngoi l 10 , in tr l cú dũng in l A Hiu in th u ngun v sut in ng ca ngun l A 10 V v 12 V B 20 V v 22 V C 10 V v V D 2,5 V v 0,5 V 18 Ghộp pin ging ni tip mi pin cú sut in V v in tr Sut in ng v in tr ca b pin l A V v B V v 1/3 C V v D V v 1/3 19 Cú mt lng kim loi xỏc nh dựng lm dõy dn Nu lm dõy vi ng kớnh mm thỡ in tr ca dõy l 16 Nu lm bng dõy dn cú ng kớnh mm thỡ in tr ca dõy thu c l A B C D 20 Khi in phõn dung dch AgNO3 vi cc dng l Ag bit lng mol ca bc l 108 Cng dũng in chy qua bỡnh in phõn h cú 27 gam Ag bỏm cc õm l A 6,7 A B 3,35 A C 24124 A D 108 A V s tng tỏc in, cỏc nhn nh di õy, nhn nh sai l A Cỏc in tớch cựng loi thỡ y B Cỏc in tớch khỏc loi thỡ hỳt C Hai nha ging nhau, sau c xỏt vi len d, nu a li gn thỡ chỳng s hỳt 111 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn D Hai thy tinh sau c xỏt vo la, nu a li gn thỡ chỳng s y https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr iu kin vt dn in l A vt phi nhit phũng C vt nht thit phi lm bng kim loi B cú cha cỏc in tớch t D vt phi mang in tớch ln cng in trng ti mt im gõy bi mt in tớch im khụng ph thuc A ln in tớch th B ln in tớch ú C khong cỏch t im ang xột n in tớch ú D hng s in mụi ca ca mụi trng Nu mc t v t song song thỡ thy in tớch ca t ln hn din tớch t Chon khng nh ỳng A C1 > C2 B C1 < C2 C C1 = C2 D kt lun trờn u sai Trong cỏc pin in húa khụng cú quỏ trỡnh no di dõy? A bin i húa nng thnh in nng B bin i cht ny thnh cht khỏc C bin i nhit nng thnh nhit nng D lm cho cỏc cc ca pin tớch in trỏi du Cho mch in kớn gm ngun in cú in tr rt nh v mch ngoi l in tr mc song song vi bin tr Khi bin tr gim giỏ tr v thỡ cng dũng in qua ngun A gim B khụng i C tng rt ln D cú th tng hoc gim Cho mt on mch cú in tr khụng i Nu hiu in th hai u mch tng ln thỡ cựng khong thi gian nng lng tiờu th ca mch A tng ln B tng ln C khụng i D gim ln Nhn xột no sau õy ỳng? Theo nh lut ễm cho ton mch thỡ cng dũng in cho ton mch A t l nghch vi sut in ng ca ngun; B t l nghch in tr ca ngun; C t l nghch vi in tr ngoi ca ngun; D t l nghch vi tng in tr v in tr ngoi Khi t núng cht khớ, nú tr lờn dn in vỡ A tc gia cỏc phõn t cht khớ tng B khong cỏch gia cỏc phõn t cht khớ tng C cỏc phõn t cht khớ b ion húa thnh cỏc ht mang in t D cht khớ chuyn ng thnh dũng cú hng 10 Tranzito cú cu to A gm mt lp bỏn dn pha loi n (p) nm gia bỏn dn pha loi p (n) B lp bỏn dn pha loi p v loi n tip xỳc vi C lp lp bỏn dn loi p v loi n xen k tip xỳc D mt ming silic tinh khit cú hỡnh dng xỏc nh 11 Hai in tớch im c t c nh v cỏch in mt bỡnh khụng khớ thỡ hỳt lc l 21 N Nu y du cú hng s in mụi 2,1 vo bỡnh thỡ hai in tớch ú s 112 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn A hỳt lc bng 10 N C hỳt mt lc bng 44,1 N B y mt lc bng 10 N D y lc bng 44,1 N https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro kim tra hc kỡ s https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 12 Hai in tớch im c t c nh v cỏch in mt bỡnh khụng khớ thỡ lc tng tỏc Cu lụng gia chỳng l 12 N Khi y mt cht lng cỏch in vo bỡnh thỡ lc tng tỏc gia chỳng l N Hng s in mụi ca cht lng ny l A B 1/3 C D 1/9 13 Ti mt im cú cng in trng thnh phn ngc vi v cú ln l 3000 V/m v 4000V/m ln cng in trng tng hp l A 1000 V/m B 7000 V/m C 5000 V/m D 6000 V/m 14 Khi in tớch dch chuyn in trng u theo chiu ng sc thỡ nú nhn c mt cụng 10 J Khi dch chuyn to vi chiu ng sc 600 trờn cựng di quóng ng thỡ nú nhn c mt cụng l A J B / J C J D 7,5 J 15 Trong mt in trng u, im A cỏch im B 0,5 m, cỏch im C m Nu UAB = 50 V thỡ UAC A = 100 V B = 200 V C = 25 V D cha d kin xỏc nh 16 Nu t vo hai u t mt hiu in th V thỡ t tớch c mt in lng C Nu t vo hai u t mt hiu in th 10 V thỡ t tớch c mt in lng A 50 C B C C C D 0,8 C 17 Mt dũng in khụng i thi gian 10 s cú mt in lng 1,6 C chy qua S electron chuyn qua tit din thng ca dõy dn thi gian s l A 1018 electron B 10-18 electron C 1020 electron D 10-20 electron 18 Mt on mch tiờu th cú cụng sut 200 W, 10 phỳt nú tiờu th mt nng lng A 2000 J B J C 120 kJ D 10 kJ 19 Hai búng ốn cú in tr mc song song v ni vo mt ngun cú in tr thỡ cng dũng in mch l 12/7 A Khi thỏo mt ốn thỡ cng dũng in mch l A 6/5 A B A C 5/6 A D A 20 Khi in phõn dung dch AgNO3 vi cc dng l Ag bit lng mol ca bc l 108 Cng dũng in chy qua bỡnh in phõn h cú 54 gam Ag bỏm cc õm l A 6,7 A B 3,35 A C 24124 A D 108 A ng sc t khụng cú tớnh cht no sau õy? A Qua mi im khụng gian ch v c mt ng sc; B Cỏc ng sc l cỏc ng cong khộp kớn hoc vụ hn hai u; C Chiu ca cỏc ng sc l chiu ca t trng; D Cỏc ng sc ca cựng mt t trng cú th ct Nhn xột no sau õy khụng ỳng v cm ng t? A c trng cho t trng v phng din tỏc dng lc t; 113 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn B Ph thuc vo chiu di on dõy dn mang dũng in; C Trựng vi hng ca t trng; D Cú n v l Tesla (T) https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr Nu cng dũng in dõy trũn tng ln v ng kớnh gim ln thỡ cm ng t ti tõm vũng dõy A khụng i B tng ln C tng ln D gim ln ln cm ng t sinh bi dũng in chy ng dõy trũn ph thuc A chiu di ng dõy B s vũng dõy ca ng C ng kớnh ng D s vũng dõy trờn mt chiu di ng Mt in tớch chuyn ng trũn u di tỏc dng ca lc Lo ren x, bỏn kớnh qu o ca in tớch khụng ph thuc vo A lng ca in tớch B tc ca in tớch C giỏ tr ln ca in tớch D kớch thc ca in tớch iu no sau õy khụng ỳng núi v hin tng cm ng in t? A Trong hin tng cm ng in t, t trng cú th sinh dũng in; B Dũng in cm ng cú th to t t trng ca dũng in hoc t trng ca nam chõm vnh cu; C Dũng in cm ng mch ch tn ti cú t thụng bin thiờn qua mch; D dũng in cm ng xut hin mch kớn nm yờn t trng khụng i Trong cỏc nhn nh sau v hin tng khỳc x, nhn nh khụng ỳng l A Tia khỳc x nm mụi trng th tip giỏp vi mụi trng cha tia ti B Tia khỳc x nm mt phng cha tia ti v phỏp tuyn C Khi gúc ti bng 0, gúc khỳc x cng bng D Gúc khỳc x luụn bng gúc ti Qua lng kớnh cú chit sut ln hn chit sut mụi trng, ỏnh sỏng n sc b lch v phớa A trờn ca lng kớnh B di ca lng kớnh C cnh ca lng kớnh D ỏy ca lng kớnh Trong cỏc nhn nh sau, nhn nh khụng ỳng v ng truyn ỏnh sỏng qua thu kớnh phõn kỡ t khụng khớ l: A Tia sỏng ti qua quang tõm thỡ tia lú i thng; B Tia sỏng ti kộo di qua tiờu im vt chớnh, tia lú song song vi trc chớnh; C Tia sỏng ti song song vi trc chớnh, tia sỏng lú kộo di qua tiờu im nh chớnh; D Tia sỏng qua thu kớnh luụn b lch v phớa trc chớnh 10 Mt nhỡn c xa nht A thy tinh th iu tit cc i C ng kớnh ngi ln nht B thy tinh th khụng iu tit D ng kớnh ngi nh nht 11 Mt ng dõy cú h s t cm 0,1 H cú dũng in 200 mA chy qua Nng lng t tớch ly ng dõy ny l A mJ B mJ C 2000 mJ D J 12 Khi chiu mt tia sỏng t chõn khụng vo mt mụi trng sut thỡ thy tia phn x vuụng gúc vi tia ti gúc khỳc x ch cú th nhn giỏ tr 114 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn A 400 B 500 C 600 D 700 https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro kim tra hc kỡ s https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 13 Mt ngun sỏng im c di ỏy mt b nc sõu 0,5 m Bit chit sut ca nc l 1,33 Vựng cú ỏnh sỏng phỏt t im sỏng lú trờn mt nc l A hỡnh vuụng cnh 0,566 m B hỡnh trũn bỏn kớnh 0,566 m C hỡnh vuụng cnh 0,5 m D hỡnh trũn bỏn kớnh 0,5 m 14 Chiu mt tia sỏng vi gúc ti 600 vo mt bờn mụt lng kớnh cú tit din l tam giỏc u thỡ gúc khỳc x mt bờn th nht bng gúc ti mt bờn th hai Bit lng kớnh t khụng khớ Chit sut ca cht lm lng kớnh l A / B / C D 15 Mt vt t trc mt thu kớnh 40 cm cho mt nh trc thu kớnh 20 cm õy l A thu kớnh hi t cú tiờu c 40 cm B thu kớnh phõn kỡ cú tiờu c 40 cm C thu kớnh phõn kỡ cú tiờu c 20 cm D thu kớnh hi t cú tiờu c 20 cm 16 Mt thu kớnh phõn kỡ cú tiờu c - 50 cm cn c ghộp sỏt ng trc vi mt thu kớnh cú tiờu c bao nhiờu thu c mt kớnh tng ng cú t dp? A Thu kớnh hi t cú tiờu c 25 cm B Thu kớnh phõn kỡ tiờu c 25 cm C Thu kớnh hi t cú tiờu c 50 cm D thu kớnh phõn kỡ cú tiờu c 50 cm 17 Mt ngi cn th cú gii hn nhỡn rừ t 10 cm n 100 cm Khi eo mt kớnh cú tiờu c - 100 cm sỏt mt, ngi ny nhỡn c cỏc vt t A 100/9 cm n vụ cựng B 100/9 cm n 100 cm C 100/11 cm n vụ cựng D 100/11 cm n 100 cm 18 Mt ngi cn th cú gii hn nhỡn rừ t 10 cm n 50cm dựng mt kớnh cú tiờu c 10 cm t sỏt mt ngm chng trng thỏi khụng iu tit bi giỏc ca ca nh trng hp ny l A 10 B C D 19 Mt kớnh hin vi vt kớnh cú tiờu c 0,8 cm, th kớnh cú tiờu c cm hai kớnh t cỏch 12,2 cm Mt ngi mt tt (cc cn chỏch mt 25 cm) t mt sỏt th kớnh quan sỏt nh quan sỏt trng thỏi khụng iu tit, ngi ú phi chnh vt kớnh cỏch vt A 0,9882 cm B 0,8 cm C 80 cm D 20 Mt kớnh thiờn vt kớnh cú tiờu c 100cm, th kớnh cú tiờu c cm ang c b trớ ng trc cỏch 95 cm Mt ngi mt tt mun quan sỏt vt rt xa trng thỏi khụng iu tit thỡ ngi ú phi chnh th kớnh A xa th kớnh thờm cm B xa th kớnh thờm 10 cm C li gn th kớnh thờm cm D li gn th kớnh thờm 10 cm Mt on dõy dn mang dũng in cú chiu t ngoi vo thỡ chu lc t cú chiu t trỏi sang phi Cm ng t vuụng gúc cú chiu A t di lờn trờn B t trờn xung di C t trỏi sang phi D t ngoi Nhỡn vo mt mt ng dõy, chiu dũng in khụng i ng ngc chiu kim ng h Nhn xột ỳng l: T trng lũng ng 115 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn A khụng u v hng t ngoi vo B khụng u v cú chiu t ngoi C u v cú chiu t ngoi vo D u v cú chiu t ngoi https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr Lc Lo ren x l lc A tỏc dng lờn in tớch ng yờn in trng B tỏc dng lờn lng t trng trng C tỏc dng lờn in tớch chuyn ng t trng D tỏc dng lờn in tớch ng yờn t trng Nu mc ni tip mt cun dõy dn v mt ốn v khúa in ri ni mch vi ngun in Khi m khúa in, hin tng xy l A ốn lúe sỏng ri tt B ốn tt C ốn ti i rũi lúe sỏng liờn tc D ốn tt t t t Khi chiu mt tia sỏng t khụng khớ xiờn gúc ti tõm mt bỏn cu thy tinh bỏn cu ng cht, tia sỏng s A phn x ton phn trờn mt phng B truyn thng C khỳc x ln ri lú khụng khớ D khỳc x ln ri i thng khụng khớ Khi dch vt dc trc chớnh ca mt thu kớnh, thy nh tht ca vt ngc chiu t nh hn vt thnh ln hn vt Vt ó dch chuyn A qua tiờu im ca thu kớnh hi t B qua tiờu im ca thu kớnh phõn kỡ C qua v trớ cỏch quang tõm ca thu kớnh phõn kỡ mt on l 2f D qua v trớ cỏch quang tõm ca thu kớnh hi t mt on l 2f Khi hai thu kớnh thy tinh mt phng li v mt phng lừm cừ cựng chit sut v bỏn kớnh cong c ghộp sỏt vi thỡ ta c mt kớnh tng ng cú t A dng B õm C bng D cú th dng hoc õm Khi quan sỏt vt, nh hin rừ nột trờn vừng mc thỡ ta phi A thay i khong cỏch t vt n mt B thay i khong cỏch t thy tinh th (thu kớnh mt) n vừng mc C cong ca thy tinh th (thu kớnh mt) D cht liu ca thy tinh th (thu kớnh mt) Qua h kớnh hin vi thu kớnh, quan sỏt vt, thỡ A nh qua vt kớnh l nh o, nh qua th kớnh l nh tht B nh qua vt kớnh l nh tht, nh qua th kớnh l nh o C nh to u l nh o D hai nh to u l nh tht 10 Khi ngm chng vụ cc qua kớnh thiờn vn, bi giỏc ph thuc vo A tiờu c ca vt kớnh v tiờu c ca th kớnh B tiờu c ca vt kớnh v khong cỏch gia hai kớnh C tiờu c ca th kớnh v khong cỏch gia hai kớnh D tiờu c ca hai kớnh v khong cỏch t tiờu im nh ca vt kớnh v tiờu im vt ca th kớnh 116 Cm n Truy cp website www.tailieupro.com nhn thờm nhiu ti liu hn 11 Mt ng dõy cú h s t cm 20 mH ang cú dũng in vi cng A chy qua Trong thi gian 0,1 s dũng in gim u v ln sut in ng t cm ca ng dõy cú ln l A 100 V B 1V C 0,1 V D 0,01 V https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro/ https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupro https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr https://www.facebook.com/tailieupr 12 Cho mt lng kớnh tit din l tam giỏc vuụng cõn chit sut 1,5 t khụng khớ Chiu mt tia sỏng n sc vuụng gúc vi mt huyn ca tam giỏc ti mt mt cũn li thỡ tia sỏng A phn x ton phn ln v lú vuụng gúc vi mt huyn B phn x ton phn mt ln v lú vi gúc 450 mt th C lú mt th nht vi gúc lú 450 D phn x ton phn nhiu ln bờn lng kớnh 13 nh ca mt vt tht qua mt thu kớnh ngc chiu vi vt, cỏch vt 100 cm v cỏch kớnh 25 cm õy l mt thu kớnh A hi t cú tiờu c 100/3 cm B phõn kỡ cú tiờu c 100/3 cm C hi t cú tiờu c 18,75 cm D phõn kỡ cú tiờu c 18,75 cm 14 Cho mt h thu kớnh gm thu kớnh phõn kỡ (1) tiờu c 10 cm t ng trc vi thu kớnh hi t (2) tiờu c 20 cm cỏch kớnh mt l a chiu mt chựm sỏng song song ti kớnh mt thỡ chựm lú kớnh (2) cng song song a phi bng A 10 cm B 20 cm C 30 cm D 40 cm 15 Mt ngi cn th phi eo kớnh cú tiờu c -100 cm thỡ mi quan sỏt c xa vụ cựng m khụng phi iu tit.Ngi ny b kớnh cn v dựng mt kớnh lỳp cú tiờu c cm t sỏt mt quan sỏt vt nh Vt phi t cỏch kớnh A 5cm B 100 cm C 100/21 cm D 21/100 cm 16 Mt kớnh hin vi vt kớnh cú tiờu c cm, th kớnh cú tiờu c 10 cm t cỏch 15 cm quan sỏt nh ca vt qua kớnh phi t vt trc vt kớnh A 1,88 cm B 1,77 cm C 2,04 cm D 1,99 cm 17 Mt kớnh thiờn vt kớnh cú tiờu c 1,6 m, th kớnh cú tiờu c 10 cm Mt ngi mt tt quan sỏt trng thỏi khụng iu tit nhỡn vt rt xa qua kớnh thỡ phi chnh cho khong cỏch gia vt kớnh v th kớnh l A 170 cm B 11,6 cm C 160 cm D 150 cm 18 Mt ngi mt tt t mt sau kớnh lỳp cú t 10 dp mt on 5cm quan sỏt vt nh bi giỏc ca ngi ny ngm chng cc cn v cc vin l A v 2,5 B 70/7 v 2,5 C v 250 C 50/7 v 250 19 Khi ghộp sỏt mt thu kớnh hi t cú tiờu c 30 cm ng trc vi mt thu kớnh phõn kỡ cú tiờu c 10 cm ta cú c thu kớnh tng ng vi tiờu c l A 50 cm B 20 cm C 15 cm D 15 cm 20 Qua mt thu kớnh, nh tht ca mt vt tht cao hn vt ln v cỏch vt 36 cm õy l thu kớnh A hi t cú tiờu c cm B hi t cú tiờu c 24 cm C phõn kỡ cú tiờu c cm D phõn kỡ cú tiờu c 24 cm 117 Cm n ... www.tailieupro.com nhn thờm nhiu ti liu hn Phần II https://www.facebook.com/tailieupro/ Câu hỏi tập trắc nghiệm vật lí lớp 11 https://www.facebook.com/tailieupro/ Chng I: https://www.facebook.com/tailieupro/... cho vt: Cú cỏch nhim in cho vt l nhim in - C xỏt - Tip xỳc - Hng ng Hai loi in tớch v tng tỏc gia chỳng: - Cú hai loi in tớch l in tớch dng v in tớch õm - Cỏc in tớch cựng du y nhau, trỏi du thỡ... khụng xỏc nh c Nu nguyờn t oxi b mt ht electron nú mang in tớch A + 1,6.1 0-1 9 C B 1,6.1 0-1 9 C C + 12,8.1 0-1 9 C D - 12,8.1 0-1 9 C iu kin vt dn in l A vt phi nhit phũng C vt nht thit phi lm bng