O-LevelPhysicsThermal Physics5054/11 · Oct/Nov 2015 · Q181 Mark

What is latent heat of vaporisation?

Athe energy required to make molecules expand

Bthe energy required to make molecules expand and move apart

Cthe energy required to make molecules move apart

Dthe energy required to make molecules move faster

✓ Correct answer

C: the energy required to make molecules move apart

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Topic: Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, Oct/Nov 2015 Paper 1 Variant 1, question 18.

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