AQA PHYA42 QP JUN15

... 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 pi...

Ngày tải lên: 12/03/2014, 15:57

... 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 .....

Ngày tải lên: 12/03/2014, 15:58

... 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...

Ngày tải lên: 12/03/2014, 15:58

... 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) C...

Ngày tải lên: 12/03/2014, 15:57

... 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 ou...

Ngày tải lên: 12/03/2014, 15:57

... (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 i...

Ngày tải lên: 12/03/2014, 15:57

... 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 wr...

Ngày tải lên: 12/03/2014, 15:58

... 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 par...

Ngày tải lên: 12/03/2014, 15:59

... 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...

Ngày tải lên: 12/03/2014, 15:59

... 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 = ... inv...

Ngày tải lên: 12/03/2014, 15:59

... 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...

Ngày tải lên: 12/03/2014, 16:00

... 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...

Ngày tải lên: 12/03/2014, 16:00

... conserved WMP /Jan10 /PHYA4/ 1 What is the angular speed of a point on the Earth’s equator? A B C D 7.3 × 10 –5 rad s 1 4.2 × 10 –3 rad s 1 2.6 × 10 1 rad s 1 15 rad s 1 Which one of the following does ... END OF QUESTIONS WMP /Jan10 /PHYA4/ 1 10 There are no questions printed on this page WMP /Jan10 /PHYA4/ 1 11 There are no questions printed on this page WMP /Jan10 /P...

Ngày tải lên: 12/03/2014, 16:00

Ngày tải lên: 12/03/2014, 16:12

Ngày tải lên: 12/03/2014, 16:12