Cambridge A Level ยท 9702 ยท Paper 4 ยท A Level structured questions
Physics 9702/41 May/June 2015 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 1, May/June 2015: the question paper and its official mark scheme, 11 questions worth 83 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 11
- Marks
- 100
- Grade A from
- 55
File names: 9702_s15_qp_41 ยท 9702_s15_ms_41
Grade thresholds for 9702/41 May/June 2015
The minimum raw marks Cambridge set for each grade on this component (out of 100). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E |
|---|---|---|---|---|
| 55 | 44 | 36 | 28 | 19 |
Topics in this paper
Which syllabus chapters 9702/41 May/June 2015 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Magnetic fields | 2 | 16 |
| Alternating currents | 2 | 10 |
| Temperature | 1 | 9 |
| Quantum physics | 1 | 9 |
| Nuclear physics | 1 | 9 |
| Gravitational fields | 1 | 8 |
| Thermodynamics | 1 | 8 |
| Oscillations | 1 | 8 |
| Electric fields | 1 | 6 |
Questions in 9702/41 May/June 2015
- Question 1
(a) State Newtonโs law of gravitation. (b) The planet Neptune has eight moons (satellites). Each moon orbits Neptune in a circular path of radius r with a period T. Assuming that Neptune and each moon behave as point masses, show โฆ
- Question 2
(a) State what is meant by internal energy. (b) The variation with volume V of the pressure p of an ideal gas as it undergoes a cycle ABCA of changes is shown in Fig. โฆ
- Question 3
(a) Define specific latent heat. (b) An electrical heater is immersed in some melting ice that is contained in a funnel, as shown in Fig. 3.1. heater melting ice water Fig. 3.1 The heater is switched on and, when the โฆ
- Question 4
(a) For an oscillating body, state what is meant by (i) forced frequency, (ii) natural frequency of vibration, (iii) resonance. (b) State and explain one situation where resonance is useful. (c) In some situations, resonance should be avoided. State one โฆ
- Question 5
A charged metal sphere is isolated in space. Measurements of the electric potential V are made for different distances x from the centre of the sphere. The variation with distance x of the potential V is shown in Fig. โฆ
- Question 6
(a) State the type of field, or fields, that may cause a force to be exerted on a particle that is (i) uncharged and moving, (ii) charged and stationary, (iii) charged and moving at right-angles to the field. (b) A โฆ
- Question 7
In many distribution systems for electrical energy, the energy is transmitted using alternating current at high voltages. Suggest and explain an advantage, one in each case, for the use of (a) alternating voltages, (b) high voltages.
- Question 8
- Question 9
(a) An isotope of an element is radioactive. Explain what is meant by radioactive decay. (b) At time t, a sample of a radioactive isotope contains N nuclei. In a short time ฮt, the number of nuclei that decay is โฆ
- Question 11
(a) State and explain how, in an X-ray tube, the hardness of the X-ray beam is controlled. (b) A parallel beam of X-rays has intensity I0 and is incident on a medium having a linear absorption (attenuation) coefficient ฮผ. (i) โฆ
- Question 13
During magnetic resonance imaging to obtain information about internal body structures, a large constant magnetic field is used with a calibrated non-uniform magnetic field superimposed on it. (a) State and explain the purpose of (i) the large constant magnetic field, โฆ
Other Physics papers from May/June 2015
- 9702/11 Multiple choice
- 9702/12 Multiple choice
- 9702/13 Multiple choice
- 9702/21 AS structured questions
- 9702/22 AS structured questions
- 9702/23 AS structured questions
- 9702/42 A Level structured questions
- 9702/43 A Level structured questions
- 9702/51 Planning, analysis & evaluation
- 9702/52 Planning, analysis & evaluation
- 9702/53 Planning, analysis & evaluation