Physics 9702 · 22 Quantum physics
22.3 Wave–particle duality
Describe evidence for wave-particle duality and calculate de Broglie wavelength for moving particles.
- Questions
- 11
- Years
- 2016–2026
- Multiple choice
- 0
- Written answer
- 11
- Average marks
- 8.4
Where this subtopic appears
- Paper 4variants 41, 42, 4311
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | – | 1 | – | 1 |
| 2023 | – | 2 | – | 2 |
| 2022 | 1 | 1 | – | 2 |
| 2021 | – | – | 2 | 2 |
| 2020 | – | 1 | – | 1 |
| 2017 | – | 1 | 1 | 2 |
| 2016 | – | – | 1 | 1 |
