Cambridge A Level ยท 9702 ยท Paper 4 ยท A Level structured questions
Physics 9702/42 May/June 2019 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 2, May/June 2019: the question paper and its official mark scheme, 10 questions worth 86 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 10
- Marks
- 100
- Grade A from
- 69
File names: 9702_s19_qp_42 ยท 9702_s19_ms_42
Grade thresholds for 9702/42 May/June 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 |
|---|---|---|---|---|
| 69 | 58 | 47 | 35 | 23 |
Topics in this paper
Which syllabus chapters 9702/42 May/June 2019 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Quantum physics | 2 | 18 |
| Magnetic fields | 2 | 14 |
| Thermodynamics | 1 | 11 |
| Oscillations | 1 | 10 |
| Nuclear physics | 1 | 10 |
| Electric fields | 1 | 9 |
| Gravitational fields | 1 | 7 |
| Medical physics | 1 | 7 |
Questions in 9702/42 May/June 2019
- Question 1
(a) Two point masses are separated by a distance x in a vacuum. State an expression for the force F between the two masses M and m. State the name of any other symbol used. (b) A small sphere S โฆ
- Question 2
(a) The first law of thermodynamics may be expressed in the form โฆ
- Question 3
A spring is hung vertically from a fixed point. A mass M is hung from the other end of the spring, as illustrated in Fig. 3.1. L mass M spring Fig. 3.1 The mass is displaced downwards and then released. โฆ
- Question 4
(a) State what is meant by the specific acoustic impedance of a medium. (b) A parallel beam of ultrasound of intensity I0 is incident on the boundary between two media A and B, as illustrated in Fig. 4.1. medium A โฆ
- Question 6
(a) State what is meant by electric potential at a point. (b) Two parallel metal plates A and B are held a distance d apart in a vacuum, as illustrated in Fig. โฆ
- Question 7
(a) Use band theory to explain why the resistance of an intrinsic semiconductor decreases as its temperature rises. (b) The variation with temperature t of the resistance R of a thermistor is shown in Fig. โฆ
- Question 8
An electron is travelling in a vacuum at a speed of โฆ
- Question 10
(a) State Faradayโs law of electromagnetic induction. (b) An ideal transformer is illustrated in Fig. 10.1. soft-iron core secondary coil 450 turns primary coil 2700 turns load resistor E Fig. 10.1 Explain why, when there is an alternating current in โฆ
- Question 11
(a) State what is meant by a photon. (b) A stationary cobalt-60 (60 27Co) nucleus emits a ฮณ-ray photon of energy 1.18 MeV. (i) Calculate the wavelength of the photon. wavelength = m (ii) Show that the momentum of the โฆ
- Question 12
(a) State what is meant by the binding energy of a nucleus. (b) Some masses are shown in Fig. 12.1. mass / u proton (1 1p) neutron (1 0n) lanthanum-141 (141 57La) nucleus โฆ
Other Physics papers from May/June 2019
- 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