Cambridge A Level ยท 9702 ยท Paper 4 ยท A Level structured questions
Physics 9702/42 May/June 2018 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 2, May/June 2018: the question paper and its official mark scheme, 11 questions worth 92 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 11
- Marks
- 100
- Grade A from
- 63
File names: 9702_s18_qp_42 ยท 9702_s18_ms_42
Grade thresholds for 9702/42 May/June 2018
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 |
|---|---|---|---|---|
| 63 | 52 | 42 | 33 | 22 |
Topics in this paper
Which syllabus chapters 9702/42 May/June 2018 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Magnetic fields | 2 | 18 |
| Oscillations | 2 | 17 |
| Nuclear physics | 2 | 15 |
| Ideal gases | 1 | 10 |
| Capacitance | 1 | 10 |
| Gravitational fields | 1 | 8 |
| Temperature | 1 | 7 |
| Quantum physics | 1 | 7 |
Questions in 9702/42 May/June 2018
- Question 1
(a) (i) A gravitational field may be represented by lines of gravitational force. State what is meant by a line of gravitational force. (ii) By reference to lines of gravitational force near to the surface of the Earth, explain why โฆ
- Question 2
(a) Use one of the assumptions of the kinetic theory of gases to explain why the potential energy of the molecules of an ideal gas is zero. (b) The average translational kinetic energy EK of a molecule of an ideal โฆ
- Question 3
(a) During melting, a solid becomes liquid with little or no change in volume. Use kinetic theory to explain why, during the melting process, thermal energy is required although there is no change in temperature. (b) An aluminium can of โฆ
- Question 4
(a) State two conditions necessary for a mass to be undergoing simple harmonic motion. โฆ
- Question 5
(a) In radio communication, the bandwidth of an FM transmission is greater than the bandwidth of an AM transmission. State (i) what is meant by bandwidth, (ii) one advantage and one disadvantage of a greater bandwidth. advantage: disadvantage: (b) A โฆ
- Question 6
(a) Explain what is meant by the capacitance of a parallel plate capacitor. (b) Three parallel plate capacitors each have a capacitance of 6.0 ฮผF. Draw circuit diagrams, one in each case, to show how the capacitors may be connected โฆ
- Question 8
(a) Explain how a uniform magnetic field and a uniform electric field may be used as a velocity selector for charged particles. (b) Particles having mass m and charge โฆ
- Question 9
(a) State what is meant by the magnetic flux linkage of a coil. (b) A coil of wire has 160 turns and diameter 2.4 cm. The coil is situated in a uniform magnetic field of flux density 7.5 mT, as โฆ
- Question 10
(a) Describe the photoelectric effect. (b) Data for the work function energy ฮฆ of two metals are shown in Fig. โฆ
- Question 11
(a) Describe the basic principles of CT scanning (computed tomography). (b) By reference to your answer in (a), suggest why (i) CT scanning was not possible before fast computers with large memories were available, (ii) the radiation dose for a โฆ
- Question 12
(a) State what is meant by radioactive decay. (b) An unstable nuclide P has decay constant ฮปP and decays to form a nuclide D. This nuclide D is unstable and decays with decay constant ฮปD to form a stable nuclide โฆ
Other Physics papers from May/June 2018
- 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