DP Physics (first assessment 2025)
Question EXE.2.SL.TZ0.3b
| Date | Example questions Example questions | Marks available | [Maximum mark: 3] | Reference code | EXE.2.SL.TZ0.3b |
| Level | SL | Paper | 2 | Time zone | TZ0 |
| Command term | Comment | Question number | b | Adapted from | N/A |
b.
[Maximum mark: 3]
EXE.2.SL.TZ0.3b
(b)
The electrical power rating of the hot plate is 1 kW. Comment, with reference to this value, on your answer in (a)(ii).
[3]
Markscheme
The answer is unrealistically large / impossible to sustain ✓
Due to much lower actual power, a lower temperature gradient through the base of the pot is quickly established ✓
The surface of the hot plate becomes colder from contact with pot
OR
there is a temperature gradient also through the hot plate ✓
