DP Physics (first assessment 2025)
Question EXE.2.SL.TZ0.b
| Date | Example questions Example questions | Marks available | [Maximum mark: 2] | Reference code | EXE.2.SL.TZ0.b |
| Level | SL | Paper | 2 | Time zone | TZ0 |
| Command term | Explain | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 2]
EXE.2.SL.TZ0.b
Explain why the rate calculated in part (a) is decreasing.
[2]
Markscheme
The temperature gradient decreases as the water cools down ✓
The rate of energy transfer is proportional to the temperature gradient ✓
