AQA 21602 CEX

Vật lý A level:AQA PHYA1 QP JAN12

Vật lý A level:AQA PHYA1 QP JAN12
... metal wire and asked to investigate how the resistance of the wire changes between a temperature of o C and 100 o C (a) (i) Draw a labelled diagram of a suitable arrangement that would enable the ... necessary for a photon to cause the ionisation of a hydrogen atom Give your answer to an appropriate number of significant figures answer Hz (4 marks) 12 (a) A student is given a piece of metal ... structure charge uud Sigma + uus strangeness baryon number +1 ud 0 (7 marks) (b) Each of the particles in the table has an antiparticle (b) (i) Give one example of a baryon particle and its corresponding...
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Vật lý A level:AQA PHYA1 w MS JAN10

Vật lý A level:AQA PHYA1 w MS JAN10
... and that every examiner understands and applies it in the same correct way As preparation for the standardisation meeting each examiner analyses a number of candidates’ scripts: alternative answers ... details will change, depending on the content of a particular examination paper Further copies of this Mark Scheme are available to download from the AQA Website: www.aqa.org.uk Copyright © 2010 AQA ... Such answers without an ‘overview’ paragraph in the answer would be unlikely to score in the top band An arithmetical error in an answer will cause the candidate to lose one mark and should be annotated...
  • 8
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Vật lý A level:AQA PHYA1 w MS JAN11

Vật lý A level:AQA PHYA1 w MS JAN11
... Such answers without an ‘overview’ paragraph in the answer would be unlikely to score in the top band An arithmetical error in an answer will cause the candidate to lose one mark and should be annotated ... Qualifications Alliance The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company number 3644723) and a registered charity (registered charity ... candidates’ responses to questions and that every examiner understands and applies it in the same correct way As preparation for standardisation each examiner analyses a number of candidates’...
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Vật lý A level:AQA PHYA1 w MS JAN12

Vật lý A level:AQA PHYA1 w MS JAN12
... measured calculated • water bath used • ice added to water • water stirred • temperature measured with thermometer • resistance calculated • graph drawn the temperature at or below which a material ... questions and that every examiner understands and applies it in the same correct way As preparation for standardisation each examiner analyses a number of students’ scripts: alternative answers not already ... voltmeter ammeter method The wire is heated in a beaker of water and the temperature measured with a thermometer max Mark Scheme – General Certificate of Education (A- level) Physics A PHYA1 – January...
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Vật lý A level:AQA PHYA1 w MS JUN10

Vật lý A level:AQA PHYA1 w MS JUN10
... and that every examiner understands and applies it in the same correct way As preparation for the standardisation meeting each examiner analyses a number of candidates’ scripts: alternative answers ... details will change, depending on the content of a particular examination paper Further copies of this Mark Scheme are available to download from the AQA Website: www.aqa.org.uk Copyright © 2010 AQA ... Such answers without an ‘overview’ paragraph in the answer would be unlikely to score in the top band An arithmetical error in an answer will cause the candidate to lose one mark and should be annotated...
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Vật lý A level:AQA PHYA1 w MS JUN11

Vật lý A level:AQA PHYA1 w MS JUN11
... candidates’ responses to questions and that every examiner understands and applies it in the same correct way As preparation for standardisation each examiner analyses a number of candidates’ ... Qualifications Alliance The Assessment and Qualifications Alliance (AQA) is a company limited by guarantee registered in England and Wales (company number 3644723) and a registered charity (registered charity ... scripts: alternative answers not already covered by the mark scheme are discussed and legislated for If, after the standardisation process, examiners encounter unusual answers which have not been raised...
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Vật lý A level:AQA PHYA1 w QP JAN10

Vật lý A level:AQA PHYA1 w QP JAN10
... WMP /Jan10 /PHYA1 A (a) An unstable nucleus, Z X, can decay by emitting a β– particle (a) Areas outside the box will not be scanned for marking (i) What part of the atom is the same as a β– particle? ... (1 mark) (a) (ii) Calculate the total emf of the combination of cells answer = V (1 mark) (12) WMP /Jan10 /PHYA1 13 Areas outside the box will not be scanned for marking (a) (iii) Calculate ... (a) (i) Calculate the peak voltage of the ac source answer = V (1 mark) (a) (ii) Calculate the rms voltage answer = V (1 mark) (a) (iii) Calculate the time period of the ac signal answer...
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Vật lý A level:AQA PHYA1 w QP JAN11

Vật lý A level:AQA PHYA1 w QP JAN11
... Unit PHYA1 Particles, Quantum Phenomena and Electricity Wednesday 12 January 2011 9.00 am to 10.15 am For this paper you must have: l a pencil and a ruler l a calculator l a Data and Formulae Booklet ... marked on your ability to: – use good English – organise information clearly – use specialist vocabulary where appropriate (JAN1 1PHYA10 1) WMP /Jan11 /PHYA1 PHYA1 Do not write outside the box Answer ... voltage answer = V (2 marks) (b) (ii) Calculate the average power dissipated in a lamp connected to the mains supply when the rms current is 0.26 A answer = W (1 mark) (08) WMP /Jan11/ PHYA1...
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Vật lý A level:AQA PHYA1 w QP JUN10

Vật lý A level:AQA PHYA1 w QP JUN10
... (3 marks) (08) WMP /Jun10 /PHYA1 Do not write outside the box (a) A student wishes to investigate how the resistance of a thermistor changes with temperature (a) (i) Draw a labelled diagram of a ... (c) A filament lamp has a power rating of 36 W when there is a pd across its terminals of 12 V (c) (i) Calculate the resistance of the filament when the pd across its terminals is 12 V answer ... write outside the box When a clean metal surface in a vacuum is irradiated with ultraviolet radiation of a certain frequency, electrons are emitted from the metal (a) (i) Explain why the kinetic energy...
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Vật lý A level: AQA PHYA1 vs QP JUN11

Vật lý A level: AQA PHYA1 vs QP JUN11
... this equation for alpha decay A Z X→ Y + α (2 marks) (iii) Calculate the specific charge of an alpha particle, stating an appropriate unit answer = (4 marks) (04) WMP /Jun11 /PHYA1 Do not ... The K + kaon is a strange particle Give one characteristic of a strange particle that makes it different from a particle that is not strange (1 mark) (b) (ii) ... WMP /Jun11 /PHYA1 Do not write outside the box 16 (a) (ii) The resistors W, X, Y, and Z all have the same resistance Show that your answer to part (a) (i) is consistent with the resistance of each...
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Vật lý A level:AQA PHYA2 QP JAN12

Vật lý A level:AQA PHYA2 QP JAN12
... resultant horizontal force is 155 kN, calculate the horizontal acceleration of the aircraft answer = m s–2 (2 marks) (b) (ii) State and explain one characteristic of the aircraft that limits ... and rider when at B Give your answer to an appropriate number of significant figures answer = J (2 marks) (04) WMP /Jan12 /PHYA2 Do not write outside the box (a) (iii) Calculate the gravitational ... J (2 marks) (f) A certain material has a Young modulus greater than copper and undergoes brittle fracture at a stress of 176 MPa On Figure draw a line showing the possible variation of stress...
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Vật lý A level:AQA PHYA2 QP JUN12

Vật lý A level:AQA PHYA2 QP JUN12
... in a distance of 35 m (b) (i) Calculate her average acceleration over this distance answer = .m s–2 (2 marks) (b) (ii) Calculate the resultant force necessary to produce this acceleration answer ... in Figure Figure parallel 15 N series 15 N A load of 15 N is attached to each arrangement (b) (i) Calculate the extension for the parallel arrangement when the load is midway between the lower ... box Answer all questions in the spaces provided (a) (i) State two vector quantities vector quantity vector quantity (a) (ii) State two scalar quantities scalar quantity...
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Vật lý A level:AQA PHYA2 w MS JAN10

Vật lý A level:AQA PHYA2 w MS JAN10
... and that every examiner understands and applies it in the same correct way As preparation for the standardisation meeting each examiner analyses a number of candidates’ scripts: alternative answers ... details will change, depending on the content of a particular examination paper Further copies of this Mark Scheme are available to download from the AQA Website: www.aqa.org.uk Copyright © 2010 AQA ... Such answers without an ‘overview’ paragraph in the answer would be unlikely to score in the top band An arithmetical error in an answer will cause the candidate to lose one mark and should be annotated...
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Vật lý A level:AQA PHYA2 w MS JAN11

Vật lý A level:AQA PHYA2 w MS JAN11
... (b) a single wavelength ! constant phase relationship/difference ! (c) maxima further apart/central maximum wider/subsidiary maximum wider/maxima are wider ! (d) wider/increased separation ! lower ... the clamp (and the rod) ● waves travelling in opposite directions superpose/add/interfere ● wave have same wavelength and frequency (similar amplitude) ● always cancellation at nodes/always constructive ... candidates’ responses to questions and that every examiner understands and applies it in the same correct way As preparation for standardisation each examiner analyses a number of candidates’...
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Vật lý A level:AQA PHYA2 w MS JAN12

Vật lý A level:AQA PHYA2 w MS JAN12
... questions and that every examiner understands and applies it in the same correct way As preparation for standardisation each examiner analyses a number of students’ scripts: alternative answers not already ... gain maximum two marks (ie knot initially moving upwards) c max from stationary wave formed  by superposition or interference (of two progressive waves)  max knot is at a node  waves (always) ... in the standardising procedures Mark Scheme – General Certificate of Education (A- level) Physics A PHYA2 – January 2012 GCE Physics, Specification A, PHYA2, Mechanics, Materials and Waves Question...
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