Physics 9702 · 15 Ideal gases
15.3 Kinetic theory of gases
State kinetic theory assumptions, relate molecular speed to pressure, and calculate average kinetic energy.
- Questions
- 42
- Years
- 2015–2026
- Multiple choice
- 4
- Written answer
- 38
- Average marks
- 9
Where this subtopic appears
- Paper 4variants 41, 42, 4336
- Paper 1variants 11, 12, 134
- Paper 2variants 221
- Paper 5variants 521
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 2 | 3 | – | 5 |
| 2025 | 1 | – | 1 | 2 |
| 2023 | – | 3 | 3 | 6 |
| 2022 | – | – | 1 | 1 |
| 2021 | 2 | – | 3 | 5 |
| 2020 | 1 | 1 | – | 2 |
| 2019 | 1 | – | 3 | 4 |
| 2018 | – | 1 | 1 | 2 |
| 2017 | – | 3 | – | 3 |
| 2016 | 1 | 2 | – | 3 |
| 2015 | – | 3 | 6 | 9 |
