Cambridge A Level · 9702 · Paper 4 · A Level structured questions
Physics 9702/42 Oct/Nov 2012 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 2, Oct/Nov 2012: the question paper and its official mark scheme, 9 questions worth 76 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 9
- Marks
- 100
- Grade A from
- 56
File names: 9702_w12_qp_42 · 9702_w12_ms_42
Grade thresholds for 9702/42 Oct/Nov 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 |
|---|---|---|---|---|
| 56 | 49 | 0 | 0 | 20 |
Topics in this paper
Which syllabus chapters 9702/42 Oct/Nov 2012 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Magnetic fields | 2 | 17 |
| Capacitance | 1 | 12 |
| Gravitational fields | 1 | 10 |
| Oscillations | 1 | 9 |
| Quantum physics | 1 | 8 |
| Ideal gases | 1 | 7 |
| Temperature | 1 | 7 |
| Medical physics | 1 | 6 |
Questions in 9702/42 Oct/Nov 2012
- Question 1
(a) State Newton’s law of gravitation. (b) A satellite of mass m is in a circular orbit of radius r about a planet of mass M. For this planet, the product GM is …
- Question 2
For Examiner’s Use 2 A student suggests that, when an ideal gas is heated from 100 °C to 200 °C, the internal energy of the gas is doubled. (a) (i) State what is meant by internal energy. (ii) By reference …
- Question 3
For Examiner’s Use 3 (a) Two metal spheres are in thermal equilibrium. State and explain what is meant by thermal equilibrium. (b) An electric water heater contains a tube through which water flows at a constant rate. The water in …
- Question 4
For Examiner’s Use 4 A ball is held between two fixed points A and B by means of two stretched springs, as shown in Fig. 4.1. ball A B Fig. 4.1 The ball is free to oscillate horizontally along the …
- Question 5
For Examiner’s Use 5 (a) (i) Define capacitance. (ii) A capacitor is made of two metal plates, insulated from one another, as shown in Fig. 5.1. metal plate insulation Fig. 5.1 Explain why the capacitor is said to store energy …
- Question 6
For Examiner’s Use 6 (a) (i) State the condition for a charged particle to experience a force in a magnetic field. (ii) State an expression for the magnetic force F acting on a charged particle in a magnetic field of …
- Question 7
For Examiner’s Use 7 (a) State Lenz’s law. (b) A simple transformer with a soft-iron core is illustrated in Fig. 7.1. laminated soft-iron core output input secondary coil primary coil Fig. 7.1 (i) Explain why the core is 1. made …
- Question 8
For Examiner’s Use 8 (a) State what is meant by a photon. (b) It has been observed that, where photoelectric emission of electrons takes place, there is negligible time delay between illumination of the surface and emission of an electron. …
- Question 10
For Examiner’s Use 10 Outline the principles of CT scanning.
Other Physics papers from Oct/Nov 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
- 9702/41 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