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The first law of thermodynamics past paper questions

A2 Physics 9702 · Thermodynamics. 1 recall and use W = p∆V for the work done when the volume of a gas changes at constant pressure and understand the difference between the work done by the gas and the work done on the gas 2 recall and use the first law of thermodynamics ∆U = q + W expressed in terms of the increase in internal energy, the heating of the system (energy transferred to the system by heating) and the work done on the system

In Cambridge A Level A2 Physics 9702, The first law of thermodynamics came up in 30 of the 42 papers on Paperstreak, for about 5 marks a paper when it does. It last came up in October/November 2025.

Often set with Equation of state, Specific heat capacity and specific latent heat, Internal energy, Kinetic theory of gases.

30 questions, newest first

1. 9702/41/O/N/25 Question 2 parts (a) (b(i)) · 5 marks
2. 9702/42/O/N/25 Question 4 parts (a) (c(i)) (c(ii)) (d) · 7 marks
3. 9702/43/O/N/25 Question 2 parts (a) (b(i)) · 5 marks
4. 9702/41/M/J/25 Question 4 part (b) · 4 marks
5. 9702/42/M/J/25 Question 3 parts (b(iii)) (b(iv)) (b(v)) (c) · 8 marks
6. 9702/43/M/J/25 Question 4 part (b) · 4 marks
7. 9702/42/F/M/25 Question 3 part (b(i)) · 3 marks
8. 9702/42/O/N/24 Question 3 parts (b(i)) (b(ii)) · 4 marks
9. 9702/42/F/M/24 Question 2 parts (b(i)) (c) · 5 marks
10. 9702/41/O/N/23 Question 2 parts (b(i)) (b(ii)) (b(iii)) (c) · 8 marks
11. 9702/42/O/N/23 Question 3 parts (b(i)) (b(ii)) · 6 marks
12. 9702/43/O/N/23 Question 2 parts (b(i)) (b(ii)) (b(iii)) (c) · 8 marks
13. 9702/41/M/J/23 Question 4 part (b(iii)) · 5 marks
14. 9702/42/M/J/23 Question 3 · 9 marks
15. 9702/43/M/J/23 Question 4 part (b(iii)) · 5 marks
16. 9702/42/F/M/23 Question 2 part (b(ii)) · 2 marks
17. 9702/42/O/N/22 Question 2 parts (b(i)) (b(ii)) · 4 marks
18. 9702/41/M/J/22 Question 3 parts (b(i)) (b(ii)) · 7 marks
19. 9702/42/M/J/22 Question 3 parts (b(iii)) (b(iv)) (c) · 6 marks
20. 9702/43/M/J/22 Question 3 parts (b(i)) (b(ii)) · 7 marks
21. 9702/42/F/M/22 Question 2 parts (d(i)) (d(ii)) · 5 marks
22. 9702/41/O/N/21 Question 3 parts (c(i)) (d) · 4 marks
23. 9702/43/O/N/21 Question 3 parts (c(i)) (d) · 4 marks
24. 9702/41/M/J/21 Question 2 part (c(ii)) · 2 marks
25. 9702/42/M/J/21 Question 2 part (c) · 2 marks
26. 9702/43/M/J/21 Question 2 part (c(ii)) · 2 marks
27. 9702/41/O/N/20 Question 2 · 9 marks
28. 9702/42/O/N/20 Question 2 parts (c(i)) (c(ii)) · 4 marks
29. 9702/43/O/N/20 Question 2 · 9 marks
30. 9702/42/M/J/20 Question 3 · 6 marks

More in Thermodynamics: Internal energy.

Questions and mark schemes from Cambridge International past papers. Paperstreak isn't affiliated with Cambridge.