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O-LevelPhysicsThermal Physics5054/12 · Oct/Nov 2016 · Q201 Mark

A sample of liquid at 100°C is allowed to cool to a room temperature of 20 °C. The diagram shows how the temperature changes with time during the cooling process. At which time does the sample become completely solid?

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AA
BB
CC
DD

✓ Correct answer

C: C

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About this question

Topic
Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, Oct/Nov 2016 Paper 1 Variant 2, question 20.

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