Cambridge A Level ยท 9702 ยท Paper 4 ยท A Level structured questions
Physics 9702/42 Feb/March 2017 past paper
Cambridge A Level Physics (9702) Paper 4 (A Level structured questions), variant 2, Feb/March 2017: the question paper and its official mark scheme, 10 questions worth 82 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 10
- Marks
- 100
- Grade A from
- 53
File names: 9702_m17_qp_42 ยท 9702_m17_ms_42
Grade thresholds for 9702/42 Feb/March 2017
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 |
|---|---|---|---|---|
| 53 | 43 | 35 | 27 | 19 |
Topics in this paper
Which syllabus chapters 9702/42 Feb/March 2017 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Quantum physics | 3 | 21 |
| Magnetic fields | 2 | 20 |
| Oscillations | 1 | 12 |
| Thermodynamics | 1 | 10 |
| Electric fields | 1 | 9 |
| Gravitational fields | 1 | 6 |
| Medical physics | 1 | 4 |
Questions in 9702/42 Feb/March 2017
- Question 1
(a) Define gravitational potential at a point. (b) A rocket is launched from the surface of a planet and moves along a radial path, as shown in Fig. โฆ
- Question 2
(a) The first law of thermodynamics can be represented by the expression โฆ
- Question 3
A uniform beam is clamped at one end. A metal block of mass m is fixed to the other end of the beam causing it to bend, as shown in Fig. 3.1. x clamp beam equilibrium position displaced position metal โฆ
- Question 4
Explain the main principles of the generation of ultrasound waves for medical use.
- Question 6
(a) State one similarity and one difference between the electric field lines and the gravitational field lines around an isolated positively charged metal sphere. similarity difference (b) A positive point charge +Q is positioned at a fixed point X and โฆ
- Question 8
(a) State what is meant by a magnetic field. (b) A particle of charge +q and mass m is travelling in a vacuum with speed v. The particle enters, at a right angle, a uniform magnetic field of flux density โฆ
- Question 9
An ideal transformer is shown in Fig. 9.1. primary coil 1200 turns secondary coil input output core Fig. 9.1 (a) Explain (i) why the core is made of iron, (ii) why an electromotive force (e.m.f.) is not induced at the โฆ
- Question 10
(a) State what is meant by a photon. (b) Light in a beam has a continuous spectrum that lies within the visible region. The photons of light have energies ranging from 1.60 eV to 2.60 eV. The beam passes through โฆ
- Question 11
Use band theory to explain why, unlike a copper wire, the resistance of an intrinsic semiconductor decreases with an increase of temperature.
- Question 12
(a) Define the binding energy of a nucleus. (b) A stationary nucleus of uranium-238 โฆ