O-LevelPhysicsThermal Physics5054/12 · May/June 2015 · Q211 Mark

In a liquid, some energetic molecules break free from the surface even when the liquid is too cold for bubbles to form. What is the name of this process?

Aboiling

Bcondensation

Cconvection

Devaporation

✓ Correct answer

D: evaporation

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2015 Paper 1 Variant 2, question 21.

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