2025

Cambridge IGCSE ยท 0625 ยท Paper 4 ยท Theory (Extended)

Physics 0625/42 May/June 2025 past paper

Cambridge IGCSE Physics (0625) Paper 4 (Theory (Extended)), variant 2, May/June 2025: the question paper and its official mark scheme, 10 questions worth 80 marks, with the grade thresholds. Free to open, no account needed.

Questions
10
Marks
80
Grade A from
45

File names: 0625_s25_qp_42 ยท 0625_s25_ms_42

Grade thresholds for 0625/42 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.

ABCDEFG
4533211714118

Topics in this paper

Which syllabus chapters 0625/42 May/June 2025 tested, by marks. Each chapter links to every past-paper question on it.

ChapterQuestionsMarks
Electrical quantities110
Earth & the Solar System110
Sound19
Electromagnetic effects19
Motion17
Forces17
Momentum17
Transfer of thermal energy17
Light17
Radioactivity17

Questions in 0625/42 May/June 2025

  1. Question 1Motion ยท 7 marks

    Fig. 1.1 is a speedโ€“time graph for an ice skater. โ€ฆ

  2. Question 2Forces ยท 7 marks

    Fig. 2.1 shows a balanced, uniform metre ruler made of wood. metre ruler 80 cm 42 cm 10 cm 0.12 N pivot 100 cm 0 cm โ€ฆ

  3. Question 3Momentum ยท 7 marks

    (a) Define momentum. (b) Fig. 3.1 shows two toy trains, A and B, on a track. train A train B Fig. 3.1 The mass of train A is 0.45 kg and the mass of train B is 0.21 kg. The โ€ฆ

  4. Question 4Transfer of thermal energy ยท 7 marks

    (a) Fig. 4.1 shows two metal containers, A and B. water lid container A container B shiny white outer surface dull black outer surface lid Fig. 4.1 Container A has a dull black outer surface and container B has a โ€ฆ

  5. Question 5Sound ยท 9 marks

    (a) Describe an experiment to determine the speed of sound in air. State the apparatus required, the measurements taken and how to calculate the speed of sound in air from the measurements. You may draw a labelled diagram as part โ€ฆ

  6. Question 6Light ยท 7 marks

    (a) Fig. 6.1 is a full-size diagram of a lens and an image I of an object. lens I Fig. 6.1 The focal length of the lens is 3.0 cm. (i) On Fig. 6.1, mark two points with labels F, โ€ฆ

  7. Question 7Electrical quantities ยท 10 marks

    (a) State what is meant by an electric field. (b) A plastic rod is rubbed with a cloth. The plastic rod becomes negatively charged and the cloth becomes positively charged. (i) Explain why. (ii) The negatively charged plastic rod is โ€ฆ

  8. Question 8Electromagnetic effects ยท 9 marks

    (a) Fig. 8.1 shows a simplified diagram of an a.c. generator. coil output โ€ฆ

  9. Question 9Radioactivity ยท 7 marks

    (a) (i) State what is meant by background radiation. (ii) State one source that makes a significant contribution to background radiation. (b) Radioactive isotopes are used in some medical treatments. Radium-223 (223 88Ra) is an isotope of radium. Radium-223 decays โ€ฆ

  10. Question 10Earth & the Solar System ยท 10 marks

    (a) Table 10.1 shows data for planets โ€ฆ

Other Physics papers from May/June 2025

Questions students ask

Where can I get the 0625/42 May/June 2025 mark scheme?
Open the mark scheme above - it is the official Cambridge scheme for this exact paper (0625_s25_ms_42), and on a wide screen it sits beside the question you are reading.
What was the grade threshold for an A in 0625/42 May/June 2025?
45 marks out of 80, a C needed 21.
Which topics came up in 0625/42 May/June 2025?
Mostly Electrical quantities, Earth & the Solar System, Sound. The full list is in the table above.
Do I need an account to open 0625/42 May/June 2025?
No. Every paper opens for free without signing in. A free account also saves your pen marks and records your score against the grade thresholds.