Cambridge IGCSE ยท 0625 ยท Paper 4 ยท Theory (Extended)
Physics 0625/43 May/June 2025 past paper
Cambridge IGCSE Physics (0625) Paper 4 (Theory (Extended)), variant 3, May/June 2025: the question paper and its official mark scheme, 11 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.
- Questions
- 11
- Marks
- 80
- Grade A from
- 46
File names: 0625_s25_qp_43 ยท 0625_s25_ms_43
Grade thresholds for 0625/43 May/June 2025
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 |
|---|---|---|---|---|---|---|
| 46 | 34 | 23 | 19 | 15 | 11 | 7 |
Topics in this paper
Which syllabus chapters 0625/43 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.
| Chapter | Questions | Marks |
|---|---|---|
| Electromagnetic effects | 1 | 9 |
| Thermal properties & temperature | 1 | 8 |
| Electrical quantities | 1 | 8 |
| Stars & the Universe | 1 | 8 |
| Motion | 1 | 7 |
| Energy, work & power | 1 | 7 |
| Light | 1 | 7 |
| Electric circuits | 1 | 7 |
| Radioactivity | 1 | 7 |
| Momentum | 1 | 6 |
| Sound | 1 | 6 |
Questions in 0625/43 May/June 2025
- Question 1
- Question 2
Fig. 2.1 shows a space vehicle which consists of a capsule and a nose cone. The space vehicle is moving at a velocity of โฆ
- Question 3
Fig. 3.1 shows an archer aiming an arrow at a target. bow string arrow bow archer target Fig. 3.1 (a) The archer pulls back on the bow string, doing a total of 110 J of work. Her hand moves a โฆ
- Question 4
Fig. 4.1 shows a pan with a copper base on a hotplate. The hotplate heats the pan and the water. water copper base pan hotplate Fig. 4.1 (a) Explain how thermal energy is conducted through the copper base. (b) (i) โฆ
- Question 5
Fig. 5.1 shows four rays of red light, โฆ
- Question 6
Ultrasound is an example of a longitudinal wave. (a) Define the term ultrasound. (b) Describe what is meant by a longitudinal wave. (c) Ultrasound is used to locate objects below the surface of the sea. (i) Describe how ultrasound is โฆ
- Question 7
A student sets up the circuit shown in Fig. โฆ
- Question 8
(a) (i) State what is meant by an electric field. (ii) Fig. 8.1 shows a negative point charge. negative point charge โ Fig. 8.1 On Fig. 8.1, draw four field lines to show the pattern and the direction of the โฆ
- Question 9
(a) Fig. 9.1 shows a transformer. primary coil secondary coil soft-iron core Fig. 9.1 (i) There is an alternating current in the primary coil. Describe how an alternating current is produced in the secondary coil. (ii) A step-up transformer has โฆ
- Question 10
(a) Define a light-year in words. (b) It takes light 490 s to travel from the Sun to the Earth. Calculate the distance from the Sun to the Earth. distance = (c) Fig. 10.1 is a scatter graph showing how โฆ
- Question 11
(a) Define the half-life of a radioactive source. (b) A protactinium (Pa) nucleus decays into a uranium (U) nucleus by the emission of a beta particle (ฮฒ-particle). (i) Complete the nuclear equation for the decay. โฆ
Other Physics papers from May/June 2025
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- 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)
- 0625/41 Theory (Extended)
- 0625/42 Theory (Extended)
- 0625/61 Alternative to Practical
- 0625/62 Alternative to Practical
- 0625/63 Alternative to Practical