Physics 9702 · 16 Thermodynamics
16.1 Internal energy
Define internal energy as sum of molecular kinetic and potential energies, relating to temperature.
- Questions
- 28
- Years
- 2015–2026
- Multiple choice
- 1
- Written answer
- 27
- Average marks
- 8.6
Where this subtopic appears
- Paper 4variants 41, 42, 43, 4427
- Paper 1variants 121
Questions by year
| Year | Feb/March | May/June | Oct/Nov | Total |
|---|---|---|---|---|
| 2026 | 1 | 3 | – | 4 |
| 2023 | – | – | 1 | 1 |
| 2021 | – | 1 | – | 1 |
| 2020 | – | 3 | 1 | 4 |
| 2019 | – | 2 | 1 | 3 |
| 2018 | 1 | 2 | 2 | 5 |
| 2017 | 1 | – | 1 | 2 |
| 2016 | 1 | – | 1 | 2 |
| 2015 | – | 3 | 3 | 6 |