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Efficiency past paper questions

Physics 9702 · Work, energy and power. Useful output as a fraction of total input

It came up in 54 of 140 papers, for about 1 marks a paper when it does. It last came up in May/June 2025.

Often set with Work done, Gravitational potential energy, Elastic potential energy, Power.

60 questions, newest first

1. 9702/12/M/J/25 Question 20 · 1 mark
2. 9702/13/M/J/25 Question 17 · 1 mark
3. 9702/12/F/M/25 Question 17 · 1 mark
4. 9702/21/O/N/24 Question 3 part (c(iii)) · 2 marks
5. 9702/22/O/N/24 Question 5 part (b(vi)) · 2 marks
6. 9702/11/M/J/24 Question 18 · 1 mark
7. 9702/12/M/J/24 Question 15 · 1 mark
8. 9702/13/M/J/24 Question 15 · 1 mark
9. 9702/22/M/J/24 Question 1 parts (b(iii)) (b(iv)) · 4 marks
10. 9702/12/F/M/24 Question 19 · 1 mark
11. 9702/11/O/N/23 Question 16 · 1 mark
12. 9702/12/O/N/23 Question 16 · 1 mark
13. 9702/13/O/N/23 Question 16 · 1 mark
14. 9702/12/M/J/23 Question 15 · 1 mark
15. 9702/13/M/J/23 Question 16 · 1 mark
16. 9702/12/F/M/23 Question 16 · 1 mark
17. 9702/22/F/M/23 Question 2 part (b) · 3 marks
18. 9702/11/M/J/22 Question 17 · 1 mark
19. 9702/12/M/J/22 Question 17 · 1 mark
20. 9702/13/M/J/22 Question 17 · 1 mark
21. 9702/21/M/J/22 Question 3 part (b(iv)) · 2 marks
22. 9702/23/M/J/22 Question 4 part (c(iii)) · 2 marks
23. 9702/12/F/M/22 Question 15 · 1 mark
24. 9702/22/F/M/22 Question 4 part (d(ii)) · 1 mark
25. 9702/11/O/N/21 Question 15 · 1 mark
26. 9702/12/O/N/21 Question 18 · 1 mark
27. 9702/13/O/N/21 Question 17 · 1 mark
28. 9702/22/O/N/21 Question 6 part (b) · 3 marks
29. 9702/11/O/N/20 Question 16 · 1 mark
30. 9702/13/O/N/20 Question 17 · 1 mark
31. 9702/22/O/N/20 Question 3 part (b(i)) · 1 mark
32. 9702/11/M/J/20 Question 19 · 1 mark
33. 9702/12/M/J/20 Question 14 · 1 mark
34. 9702/11/O/N/19 Question 15 · 1 mark
35. 9702/12/O/N/19 Question 15 · 1 mark
36. 9702/13/O/N/19 Question 14 · 1 mark
37. 9702/12/M/J/19 Question 17 · 1 mark
38. 9702/12/M/J/19 Question 19 · 1 mark
39. 9702/12/F/M/19 Question 16 · 1 mark
40. 9702/12/F/M/19 Question 17 · 1 mark
41. 9702/13/O/N/18 Question 16 · 1 mark
42. 9702/22/O/N/18 Question 6 part (b(iii)) · 3 marks
43. 9702/13/M/J/18 Question 15 · 1 mark
44. 9702/12/F/M/18 Question 15 · 1 mark
45. 9702/11/O/N/17 Question 16 · 1 mark
46. 9702/11/O/N/17 Question 19 · 1 mark
47. 9702/11/M/J/17 Question 16 · 1 mark
48. 9702/11/M/J/17 Question 19 · 1 mark
49. 9702/13/M/J/17 Question 15 · 1 mark
50. 9702/12/F/M/17 Question 16 · 1 mark
51. 9702/11/O/N/16 Question 17 · 1 mark
52. 9702/11/O/N/16 Question 18 · 1 mark
53. 9702/13/O/N/16 Question 17 · 1 mark
54. 9702/13/O/N/16 Question 18 · 1 mark
55. 9702/21/O/N/16 Question 3 part (b(iv)) · 2 marks
56. 9702/22/O/N/16 Question 5 part (b(iv)) · 4 marks
57. 9702/23/O/N/16 Question 3 part (b(iv)) · 2 marks
58. 9702/11/M/J/16 Question 16 · 1 mark
59. 9702/13/M/J/16 Question 19 · 1 mark
60. 9702/12/F/M/16 Question 17 · 1 mark

More in Work, energy and power: Work done, Conservation of energy, Power, Gravitational potential energy, Kinetic energy.

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