AQA PHA6B6X w QP JUN10

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 PHYA2 w QP JUN10

Vật lý A level:AQA PHYA2 w QP JUN10
... Calculate the initial acceleration down the slope answer = m s-2 (2 marks) (c) In this experiment, the following data was obtained A graph of the data is shown below it time / pendulum swings ... front tyre at A State your answer to an appropriate number of significant figures answer = N (4 marks) (d) Calculate the vertical force that the road exerts on the rear tyre at B answer = ... investigation, the number of swings of a pendulum was used to time a trolley after it was released from rest A block was positioned to mark the distance that the trolley had travelled after a chosen...
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AQA PHYA4 1 w QP JUN10

AQA PHYA4 1 w QP JUN10
... of the body when its displacement is 0.70 m? A B C D 0 .11 m s 1 0.22 m s 1 0.40 m s 1 0.80 m s 1 Turn over for the next question Turn over ᮣ WMP /Jun10 /PHYA4/ 1 Which graph, A to D, shows the variation ... of force? A ATm B W s–2 C kg m s–2 D J m 1 WMP /Jun10 /PHYA4/ 1 11 23 The graph shows how the magnetic flux passing through a loop of wire changes with time magnetic flux time What feature of the ... recharged? A B C D 10 s 10 0 s 200 s 10 00 s Turn over ᮣ WMP /Jun10 /PHYA4/ 1 17 When switch S in the circuit is closed, the capacitor C is charged by the battery to a pd V0 The switch is then opened...
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Vật lý A level: AQA PHYA4 2 w QP JUN10

Vật lý A level: AQA PHYA4 2 w QP JUN10
... Calculate the gravitational force between the spheres when their surfaces were in contact answer = N (2 marks) ( 02) WMP /Jun10 /PHYA4/ 2 Do not write outside the box (c) Modifications, such as ... (2 marks) (b) In 1798 Cavendish investigated Newton’s law by measuring the gravitational force between two unequal uniform lead spheres The radius of the larger sphere was 100 mm and that of ... giving an appropriate unit answer = (2 marks) (c) (iii) How many times does the electron travel around the circle in one minute? answer = (2 marks) Turn over (09) ᮣ WMP /Jun10 /PHYA4/ 2 Do...
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Vật lý A level: AQA PHYA5 2 a w QP JUN10

Vật lý A level: AQA PHYA5 2 a w QP JUN10
... chromatic aberration Draw a diagram to show how a single converging lens produces chromatic aberration (2 marks) Turn over for the next question Turn over (03) ᮣ WMP /Jun10 /PHYA5/ 2A Do not write ... (2 marks) ( 02) WMP /Jun10 /PHYA5/ 2A Do not write outside the box (b) (ii) The Triesnecker Crater on the Moon has a diameter of 23 km Calculate the angle subtended by the image of this crater when ... output of Sirius A power output of Sirius B ratio = (2 marks) (04) WMP /Jun10 /PHYA5/ 2A Do not write outside the box (b) (ii) Show that data in the table suggests that one star is about 8000 times...
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Vật lý A level: AQA PHYA5 2 b w QP JUN10

Vật lý A level: AQA PHYA5 2 b w QP JUN10
... image of a < /b> real object by a < /b> diverging lens object F F (2 < /b> marks) (b) Define the power of a < /b> lens (1 mark) ( 02)< /b> WMP /Jun10 /PHYA5/< /b> 2B Do not write ... (3 marks) (04) WMP /Jun10 /PHYA5/< /b> 2B Do not write outside the box (c) The scale on the intensity meter is changed to the dBA scale and the new reading, for the same sound, is found to be 50 dBA Explain ... (7 marks) (06) WMP /Jun10 /PHYA5/< /b> 2B 10 Do not write outside the box (a)< /b> Outline the basic principles of a < /b> magnetic resonance (MR) scanner used to scan a < /b> patient’s brain ...
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Vật lý A level: AQA PHYA5 2 c w QP JUN10

Vật lý A level: AQA PHYA5 2 c w QP JUN10
... describe the process that occurs during each of the parts A to B, B to C, C to D and D to A of the cycle Describe whether heating or cooling is taking place, the type of process and whether work ... (iii) Calculate the new rotational kinetic energy of the roundabout and children answer = J (1 mark) (c) Explain where the increase of rotational kinetic energy of the roundabout and children ... children about the axis of rotation Give your answer to an appropriate number of significant figures answer = kg m2 (3 marks) (a) (ii) Calculate the total rotational kinetic energy of the roundabout...
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Vật lý A level: AQA PHYA5 2 d w QP JUN10

Vật lý A level: AQA PHYA5 2 d w QP JUN10
... PROVIDED (11) WMP /Jun10 /PHYA5/ 2D Do not write outside the box 12 There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED Copyright © 20 10 AQA and its ... mark) (b) A beam of identical particles moving at a speed of 0.98c is directed along a straight line between two detectors 25 m apart Figure first detector second detector beam of particles 25 ... WMP /Jun10 /PHYA5/ 2D Do not write outside the box When light of wavelength 590 nm is directed at an uncharged surface of a certain metal X, electrons are emitted from the metal surface causing a photoelectric...
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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 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 PHYA2 w MS JUN10

Vật lý A level:AQA PHYA2 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 PHYA2 w QP JAN10

Vật lý A level:AQA PHYA2 w QP JAN10
... answer = degrees (2 marks) (06) WMP /Jan10 /PHYA2 Areas outside the box will not be scanned for marking (c) State and explain one reason why part B of the optical fibre is made as narrow as ... WMP /Jan10 /PHYA2 12 Areas outside the box will not be scanned for marking Figure shows a cross-section through a step index optical fibre Figure Light ray in air A B A (a) (i) Name the parts A and ... velocity of zero at A and reaches a constant horizontal velocity at D as it leaves the racket The ball travels a horizontal distance of 0.68 m between D and G (a) (i) Show that the horizontal velocity...
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Vật lý A level:AQA PHYA2 w QP JAN11

Vật lý A level:AQA PHYA2 w QP JAN11
... that the time taken for the cannonball to reach the water surface after being fired from the cannon was 3.7 s Assume the air resistance was negligible (2 marks) (04) WMP /Jan11 /PHYA2 Do not write ... box Figure shows a stationary wave on a string The string is tied onto a thin metal bar at A and fixed at B A vibration generator causes the bar to oscillate at a chosen frequency clamp Figure 1.2 ... string metal bar oscillations A B Explain how a stationary wave is formed Then describe the key features of the stationary wave shown in Figure The quality of your written answer will be assessed...
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Vật lý A level:AQA PHYA2 w QP JUN11

Vật lý A level:AQA PHYA2 w QP JUN11
... average acceleration of the train answer = ms–2 (2 marks) (a) (ii) Calculate the average tension in the cable as the train is accelerated, stating an appropriate unit answer = (3 marks) ... to be taken and explain how they are used to find the wavelength of the light Discuss any necessary safety precautions and how you would arrange the apparatus to improve accuracy The quality of ... obtain his interference pattern screen candle (2 marks) (d) State two differences in the appearance of the pattern obtained with a laser and that produced by a white light source such as a candle...
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