DP Physics (first assessment 2025)

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Question EXE.2.SL.TZ0.4b

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Date Example questions Example questions Marks available [Maximum mark: 2] Reference code EXE.2.SL.TZ0.4b
Level SL Paper 2 Time zone TZ0
Command term Explain Question number b Adapted from N/A
b.
[Maximum mark: 2]
EXE.2.SL.TZ0.4b
(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 ✓

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