Cambridge IGCSE · 0625 · Paper 4 · Theory (Extended)
Physics 0625/41 Oct/Nov 2021 past paper
Cambridge IGCSE Physics (0625) Paper 4 (Theory (Extended)), variant 1, Oct/Nov 2021: the question paper and its official mark scheme, 9 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 9
- Marks
- 80
- Grade A from
- 35
File names: 0625_w21_qp_41 · 0625_w21_ms_41
Grade thresholds for 0625/41 Oct/Nov 2021
The minimum raw marks Cambridge set for each grade on this component (out of 80). Thresholds change every session and variant, so always compare your score with the paper you actually sat.
| A | B | C | D | E | F | G |
|---|---|---|---|---|---|---|
| 35 | 26 | 17 | 14 | 11 | 9 | 6 |
Topics in this paper
Which syllabus chapters 0625/41 Oct/Nov 2021 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Thermal properties & temperature | 1 | 11 |
| Motion | 1 | 10 |
| Electromagnetic spectrum | 1 | 10 |
| Forces | 1 | 9 |
| Electric circuits | 1 | 9 |
| Nuclear model of the atom | 1 | 9 |
| Light | 1 | 8 |
| Pressure | 1 | 7 |
| Electrical quantities | 1 | 7 |
Questions in 0625/41 Oct/Nov 2021
- Question 1
Some physical quantities are scalars and other physical quantities are vectors. (a) State how a vector quantity differs from a scalar quantity. (b) Circle the vector quantities in the list. acceleration energy mass momentum temperature time speed velocity (c) A …
- Question 2
A student carries out an experiment using a plastic beaker that contains 0.24 kg of water at 17 °C. The thermal capacity (heat capacity) of the beaker is negligible. (a) Define thermal capacity. (b) Several ice cubes are at a …
- Question 3
Fig. 3.1 shows a balloon inflated with air. Fig. 3.1 The pressure of the air at the inner surface of the balloon keeps the rubber stretched. (a) Explain, in terms of the momentum of the molecules, why there is a …
- Question 4
- Question 5
(a) Explain, in terms of the behaviour of light rays, what is meant by principal focus for a thin converging lens. (b) State what is meant by focal length. (c) A lens is used to produce a focused image of …
- Question 6
X‑rays are electromagnetic waves. Fig. 6.1 shows the position of X‑rays in the electromagnetic spectrum arranged according to increasing wavelength. increasing wavelength gamma-rays X-rays …
- Question 7
A plastic rod becomes negatively charged when it is rubbed with a woollen cloth. (a) Describe, in terms of particles, how the rod becomes negatively charged when rubbed with the cloth. (b) A light, conducting ball is at rest on …
- Question 8
A circuit contains two fixed resistors and a light‑dependent resistor (LDR). Fig. 8.1 shows that the power supply is …
- Question 9
Uranium‑235 (235 92U) is a radioactive isotope of uranium that occurs naturally on Earth. (a) Describe the composition and structure of a neutral atom of uranium‑235. (b) Another isotope of uranium is uranium‑238. Describe how an atom of uranium‑238 differs …
Other Physics papers from Oct/Nov 2021
- 0625/11 Multiple choice (Core)
- 0625/12 Multiple choice (Core)
- 0625/13 Multiple choice (Core)
- 0625/21 Multiple choice (Extended)
- 0625/22 Multiple choice (Extended)
- 0625/23 Multiple choice (Extended)
- 0625/42 Theory (Extended)
- 0625/43 Theory (Extended)
- 0625/61 Alternative to Practical
- 0625/62 Alternative to Practical
- 0625/63 Alternative to Practical