Cambridge A Level · 9702 · Paper 4 · A Level structured questions
Physics 9702/41 May/June 2012 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 1, May/June 2012: the question paper and its official mark scheme, 11 questions worth 87 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 11
- Marks
- 100
- Grade A from
- 53
File names: 9702_s12_qp_41 · 9702_s12_ms_41
Grade thresholds for 9702/41 May/June 2012
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 |
|---|---|---|---|---|
| 53 | 43 | 0 | 0 | 18 |
Topics in this paper
Which syllabus chapters 9702/41 May/June 2012 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Magnetic fields | 2 | 16 |
| Capacitance | 1 | 11 |
| Gravitational fields | 1 | 10 |
| Nuclear physics | 1 | 10 |
| Medical physics | 1 | 10 |
| Ideal gases | 1 | 9 |
| Oscillations | 1 | 6 |
| Temperature | 1 | 5 |
| Electric fields | 1 | 5 |
| Quantum physics | 1 | 5 |
Questions in 9702/41 May/June 2012
- Question 1
(a) Define gravitational potential at a point. (b) The gravitational potential φ at distance r from point mass M is given by the expression …
- Question 2
For Examiner’s Use 2 (a) The kinetic theory of gases is based on some simplifying assumptions. The molecules of the gas are assumed to behave as hard elastic identical spheres. State the assumption about ideal gas molecules based on (i) …
- Question 3
For Examiner’s Use 3 (a) Define specific latent heat. (b) The heater in an electric kettle has a power of 2.40 kW. When the water in the kettle is boiling at a steady rate, the mass of water evaporated in …
- Question 4
For Examiner’s Use 4 A small metal ball is suspended from a fixed point by means of a string, as shown in Fig. 4.1. string ball x Fig. 4.1 The ball is pulled a small distance to one side and …
- Question 5
For Examiner’s Use 5 (a) Define electric field strength. (b) An isolated metal sphere is to be used to store charge at high potential. The charge stored may be assumed to be a point charge at the centre of the …
- Question 6
For Examiner’s Use 6 A sinusoidal alternating voltage supply is connected to a bridge rectifier consisting of four ideal diodes. The output of the rectifier is connected to a resistor R and a capacitor C as shown in Fig. …
- Question 7
For Examiner’s Use 7 Two long straight parallel copper wires A and B are clamped vertically. The wires pass through holes in a horizontal sheet of card PQRS, as shown in Fig. …
- Question 8
For Examiner’s Use 8 (a) Explain what is meant by a photon. (b) An emission spectrum is seen as a series of differently coloured lines on a black background. Suggest how this observation provides evidence for discrete electron energy levels …
- Question 9
For Examiner’s Use 9 (a) (i) State what is meant by the decay constant of a radioactive isotope. (ii) Show that the decay constant λ and the half-life t of an isotope are related by the expression …
- Question 11
For Examiner’s Use 11 High-speed electrons are incident on a metal target. The spectrum of the emitted X-ray radiation is shown in Fig. 11.1. intensity wavelength 0 Fig. 11.1 (a) Explain why (i) there is a continuous distribution of wavelengths, …
- Question 12
For Examiner’s Use 12 A person is to be investigated using a magnetic resonance (MR) scanner. (a) This technique involves the use of two superimposed magnetic fields. Describe the functions of these two magnetic fields. (b) The frequency f of …
Other Physics papers from May/June 2012
- 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