Cambridge A Level ยท 9702 ยท Paper 4 ยท A Level structured questions
Physics 9702/42 Oct/Nov 2025 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 2, Oct/Nov 2025: the question paper and its official mark scheme, 10 questions worth 100 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 10
- Marks
- 100
- Grade A from
- 57
File names: 9702_w25_qp_42 ยท 9702_w25_ms_42
Grade thresholds for 9702/42 Oct/Nov 2025
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 |
|---|---|---|---|---|
| 57 | 48 | 39 | 29 | 19 |
Topics in this paper
Which syllabus chapters 9702/42 Oct/Nov 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Ideal gases | 2 | 20 |
| Nuclear physics | 1 | 13 |
| Electric fields | 1 | 11 |
| Thermodynamics | 1 | 10 |
| Oscillations | 1 | 10 |
| Quantum physics | 1 | 10 |
| Motion in a circle | 1 | 9 |
| Medical physics | 1 | 9 |
| Alternating currents | 1 | 8 |
Questions in 9702/42 Oct/Nov 2025
- Question 1
The Earth may be considered as a uniform sphere of radius โฆ
- Question 2
(a) State Newtonโs law of gravitation. (b) One of the basic assumptions of the kinetic theory of gases is that there are no forces exerted between the molecules of the gas except during collisions. State two other basic assumptions of โฆ
- Question 3
(a) State what is meant by two objects being in thermal equilibrium. (b) Fig. 3.1 shows a type of thermometer called a constant volume gas thermometer. gas fixed glass tube glass bulb โฆ
- Question 4
A cylinder contains a fixed mass of an ideal gas at pressure 2Y and volume 6X. The gas undergoes a sequence of changes from its initial state A, through states B, C and D, then finally back to its initial โฆ
- Question 5
A steel ball on the end of a thin string oscillates with small oscillations, as shown in Fig. 5.1. thin string steel ball oscillations x equilibrium position Fig. 5.1 (not to scale) The displacement of the centre of the ball โฆ
- Question 6
(a) Define electric field at a point. (b) An isolated conducting sphere in a vacuum has a capacitance of 69 pF. The charge on the sphere is +83 pC. (i) On Fig. 6.1, draw field lines to represent the electric โฆ
- Question 7
An alternating voltage V varies with time t according to โฆ
- Question 8
Fig. 8.1 shows the three lowest-frequency lines in the part of the emission spectrum for hydrogen that relates to electron transitions to the ground state (level โฆ
- Question 9
(a) State what is meant by the mass defect of a nucleus. (b) The nuclear fusion reaction for the formation of helium-4 from deuterium is represented by โฆ
- Question 10
(a) State what is meant by contrast in an X-ray image. (b) X-rays of intensity I0 are incident normally on a structure, as shown in Fig. โฆ
Other Physics papers from Oct/Nov 2025
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- 9702/41 A Level structured questions
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- 9702/51 Planning, analysis & evaluation
- 9702/52 Planning, analysis & evaluation
- 9702/53 Planning, analysis & evaluation
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