Physics 9702 · 11 Particle physics
11.1 Atoms, nuclei and radiation
Describe nuclear structure, radioactive decay, and properties of alpha, beta, and gamma radiations.
- Questions
- 210
- Years
- 2015–2026
- Multiple choice
- 125
- Written answer
- 85
- Average marks
- 3.6
Practise particle physics questions with instant markingTeachers: build a worksheet from past papers
Where this subtopic appears
- Paper 1variants 11, 12, 13, 14125
- Paper 2variants 21, 22, 23, 2460
- Paper 4variants 41, 42, 4325
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 3 | 12 | – | 15 |
| 2025 | – | – | 1 | 1 |
| 2023 | 4 | 10 | 10 | 24 |
| 2022 | 4 | 8 | 8 | 20 |
| 2021 | 2 | 7 | 8 | 17 |
| 2020 | 4 | 6 | 6 | 16 |
| 2019 | 4 | 5 | 8 | 17 |
| 2018 | 2 | 9 | 8 | 19 |
| 2017 | 5 | 16 | 9 | 30 |
| 2016 | 4 | 9 | 11 | 24 |
| 2015 | – | 14 | 13 | 27 |