AQA MM2B p QP JUN15

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...

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...

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...

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...

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...

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...

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...

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...

Vật lý A level:AQA PHYA4 1 QP JUN12

... a radius of 1. 5 × 10 8 km What is the Earth’s approximate speed? A B 5.0 × 10 3 m s 1 C 1. 0 × 10 4 m s 1 D 1. 5 × 10 3 m s 1 3.0 × 10 4 m s 1 A particle moves in a circular path at constant speed Which ... at P A 10 00 μF capacitor and a 10 μF capacitor are charged so that they store the same energy The pd across the 10 00 μF capacitor is V1 and the pd across the other capacitor is V2 ( ) V1 What is ... surface of a planet of radius 2R and mass 2M? A B W –– C W D 13 W –– 2W The gravitational field strength on the surface of a planet orbiting a star is 8.0 N kg 1 If the planet and star have a similar...

AQA PHYA4 2 QP JUN12

... WMP/Jun 12 /PHYA4/ 2 12 There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED Copyright © 20 12 AQA and its licensors All rights reserved ( 12) WMP/Jun 12 /PHYA4/ 2 ... (2 marks) 12 (08) WMP/Jun 12 /PHYA4/ 2 Do not write outside the box (a) Define the gravitational potential at a point ... of the graph balance reading 0 sand starts to land 10 15 20 25 30 time / s sand stops landing (3 marks) Turn over (03) ᮣ WMP/Jun 12 /PHYA4/ 2 Do not write outside the box (a) Figure shows an electron...

Vật lý A level: AQA PHYA5 1 QP JUN12

... rock sample at time t was 2.0 × 10 22 92 (1 mark) (c) (iii) Calculate t in years answer = years (3 marks) 10 Turn over (05) ᮣ WMP /Jun12 /PHYA5/ 1 Do not write outside the box (a) In a radioactivity ... (10 ) WMP /Jun12 /PHYA5/ 1 Do not write outside the box 11 (6 marks) END OF SECTION A 11 (11 ) WMP /Jun12 /PHYA5/ 1 12 There are ... through the heater at a rate of 0 .12 kg s 1 as shown in Figure Figure electrical immersion heater water flowing at 0 .12 kg per second mass of water in heating chamber = 0. 41 kg (a) Assuming all the...

Vật lý A level: AQA PHYA5 2a QP JUN12

... a real object Label a principal focus on your diagram (2 marks) (a) (ii) Draw a ray diagram to show how a converging lens forms a magnified virtual image of a real object Label a principal focus ... years from Earth The exoplanet has an elliptical orbit, whose orbital radius varies from AU to AU Calculate the maximum angular separation of the star and the planet when viewed from a distance of ... mark) 10 (08) WMP /Jun12 /PHYA5/ 2A Do not write outside the box Cygnus A may be the nearest quasar yet discovered (a) Cygnus A has a redshift, z, of 0.057 Calculate the distance to Cygnus A State...

Vật lý A level: AQA PHYA5 2b QP JUN12

... target anode (a) (i) Calculate the kinetic energy of an electron as it reaches the anode Give your answer to an appropriate number of significant figures answer = J (2 marks) (a) (ii) Assuming ... through a clad optical fibre which has a core of refractive index 1.50 Figure Air Cladding Core A Cladding B C Air D Complete the graph below to show how the refractive index changes with the radial ... displayed 60 dB as the reading when the frequency of the sound was kHz (a) (i) State and explain what the reading would be for a sound of frequency kHz if the meter was changed to the dBA scale...

Vật lý A level: AQA PHYA5 2c QP JUN12

... Calculate the pressure of the air in the barrel at the instant the cork is expelled Assume that the air is compressed adiabatically adiabatic index, γ, for air = 1.4 answer = Pa (2 marks) ... marks) (a) (ii) Calculate the maximum temperature reached by the air in the gun Give your answer to an appropriate number of significant figures answer = K (3 marks) (02) WMP /Jun12 /PHYA5/ 2C Do ... cutting a piece of wood A constant frictional torque of 1.2 N m acts at the bearings of the motor and axle Figure saw blade wood 32 N 0.15 m casing and guard not shown safety brake A horizontal force...

Vật lý A level: AQA PHYA5 2d QP JUN12

... WMP /Jun12 /PHYA5/ 2D Do not write outside the box (a) Light has a dual wave-particle nature State and outline a piece of evidence for the wave nature of light and a piece of evidence for its particle ... particle nature For each piece of evidence, outline a characteristic feature that has been observed or measured and give a short explanation of its relevance to your answer Details of experiments are ... THIS PAGE ANSWER IN THE SPACES PROVIDED (11) WMP /Jun12 /PHYA5/ 2D 12 There are no questions printed on this page DO NOT WRITE ON THIS PAGE ANSWER IN THE SPACES PROVIDED Copyright © 2012 AQA and its...

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