Physics 9702 · 8 Superposition
8.2 Diffraction
Explain diffraction and describe experiments demonstrating the effect of gap width on waves.
- Questions
- 67
- Years
- 2015–2026
- Multiple choice
- 54
- Written answer
- 13
- Average marks
- 2.5
Where this subtopic appears
- Paper 1variants 11, 12, 1354
- Paper 2variants 21, 22, 2310
- Paper 4variants 41, 42, 433
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 3 | – | 3 |
| 2023 | 1 | 5 | 5 | 11 |
| 2022 | 2 | 3 | 3 | 8 |
| 2021 | 1 | 3 | 3 | 7 |
| 2020 | 2 | 3 | 3 | 8 |
| 2019 | – | 2 | 1 | 3 |
| 2018 | 1 | 1 | 3 | 5 |
| 2017 | 1 | 1 | 5 | 7 |
| 2016 | 1 | 4 | 5 | 10 |
| 2015 | – | 3 | 2 | 5 |
