Cambridge A Level ยท 9702 ยท Paper 4 ยท A Level structured questions
Physics 9702/42 Feb/March 2019 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 2, Feb/March 2019: the question paper and its official mark scheme, 11 questions worth 91 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 11
- Marks
- 100
- Grade A from
- 70
File names: 9702_m19_qp_42 ยท 9702_m19_ms_42
Grade thresholds for 9702/42 Feb/March 2019
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 |
|---|---|---|---|---|
| 70 | 64 | 54 | 43 | 31 |
Topics in this paper
Which syllabus chapters 9702/42 Feb/March 2019 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Gravitational fields | 2 | 19 |
| Ideal gases | 1 | 10 |
| Oscillations | 1 | 10 |
| Quantum physics | 1 | 9 |
| Electric fields | 1 | 8 |
| Alternating currents | 1 | 8 |
| Magnetic fields | 1 | 8 |
| Capacitance | 1 | 7 |
| Nuclear physics | 1 | 7 |
| Medical physics | 1 | 5 |
Questions in 9702/42 Feb/March 2019
- Question 1
(a) (i) Define gravitational potential at a point. (ii) Use your answer in (i) to explain why the gravitational potential near an isolated mass is always negative. (b) A spherical planet has mass โฆ
- Question 2
The pressure p of an ideal gas having density ฯ is given by the expression โฆ
- Question 3
A cylindrical tube, sealed at one end, has cross-sectional area A and contains some sand. The total mass of the tube and the sand is M. The tube floats upright in a liquid of density ฯ, as illustrated in Fig. โฆ
- Question 4
(a) State three features of the orbit of a geostationary satellite. โฆ
- Question 5
(a) State what is meant by an electric field. (b) An isolated solid metal sphere has radius R. The charge on the sphere is +Q and the electric field strength at its surface is E. On Fig. 5.1, draw a โฆ
- Question 6
(a) Define the capacitance of a parallel-plate capacitor. (b) A student has three capacitors. Two of the capacitors have a capacitance of 4.0 ฮผF and one has a capacitance of 8.0 ฮผF. Draw labelled circuit diagrams, one in each case, โฆ
- Question 8
A horseshoe magnet is placed on a top pan balance. A rigid copper wire is fixed between the poles of the magnet, as illustrated in Fig. 8.1. rigid copper wire A B horseshoe magnet balance pan Fig. 8.1 The wire โฆ
- Question 9
Outline the principles of computed tomography (CT) scanning.
- Question 10
(a) A cross-section through a current-carrying solenoid is shown in Fig. 10.1. current into page current out of page Fig. 10.1 On Fig. 10.1, draw field lines to represent the magnetic field inside the solenoid. (b) State Faradayโs law of โฆ
- Question 11
(a) State what is meant by a photon. (b) Calculate the energy, in eV, of a photon of light of wavelength 540 nm. energy = eV (c) The outermost electron energy bands of a semiconductor material are illustrated in Fig. โฆ
- Question 12
The incomplete nuclear equation for one possible reaction that takes place in the core of a nuclear reactor is โฆ