Cambridge A Level ยท 9702 ยท Paper 4 ยท A Level structured questions
Physics 9702/42 Feb/March 2023 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 2, Feb/March 2023: 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
- 60
File names: 9702_m23_qp_42 ยท 9702_m23_ms_42
Grade thresholds for 9702/42 Feb/March 2023
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 |
|---|---|---|---|---|
| 60 | 51 | 43 | 34 | 24 |
Topics in this paper
Which syllabus chapters 9702/42 Feb/March 2023 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Gravitational fields | 1 | 12 |
| Temperature | 1 | 12 |
| Electric fields | 1 | 12 |
| Nuclear physics | 1 | 11 |
| Oscillations | 1 | 10 |
| Capacitance | 1 | 10 |
| Medical physics | 1 | 9 |
| Astronomy and cosmology | 1 | 9 |
| Magnetic fields | 1 | 8 |
| Quantum physics | 1 | 7 |
Questions in 9702/42 Feb/March 2023
- Question 1
(a) Define gravitational potential at a point. (b) Artemis is a spherical planet that may be assumed to be isolated in space. The variation with distance x from the centre of Artemis of the gravitational potential ฯ is shown in โฆ
- Question 2
(a) State what is meant by an ideal gas. (b) A fixed amount of helium gas is sealed in a container. The helium gas has a pressure of โฆ
- Question 3
An object is suspended from a vertical spring as shown in Fig. 3.1. spring object oscillation Fig. 3.1 The object is displaced vertically and then released so that it oscillates, undergoing simple harmonic motion. Fig. 3.2 shows the variation with โฆ
- Question 4
(a) State Coulombโs law. (b) A charged sphere X is supported on an insulating stand. A second charged sphere Y is suspended by an insulating thread so that sphere Y is in equilibrium at the position shown in Fig. โฆ
- Question 5
A capacitor, a battery of electromotive force โฆ
- Question 6
(a) A Hall probe is placed in a magnetic field. The Hall voltage is zero. The Hall probe is rotated to a new position in the magnetic field. The Hall voltage is now maximum. Explain these observations. (b) The formula โฆ
- Question 7
(a) A beam of white light passes through a cloud of cool gas. The spectrum of the transmitted light is viewed and contains a number of dark lines. Explain why these dark lines occur. (b) Some energy levels for the โฆ
- Question 8
Plutonium-238 (238 94Pu) is unstable and undergoes alpha decay. (a) Complete the equation to show the decay of plutonium-238. 238 94Pu โฆ
- Question 9
Ultrasound is used to produce diagnostic information about internal body structures. (a) Explain how ultrasound waves are detected. (b) An alternating voltage V varies with time t according to V = Vo sin ฯ t. The voltage is applied to โฆ
- Question 10
(a) A student observes different stars from the Earth. Give two reasons why some stars appear brighter than others. โฆ