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O-LevelPhysicsThermal Physics5054/11 · May/June 2010 · Q141 Mark

The liquid in a puddle evaporates and this causes its temperature to change. How does the temperature of the liquid change and why?

Adecreases less energetic molecules leave the liquid
Bdecreases more energetic molecules leave the liquid
Cincreases less energetic molecules leave the liquid
Dincreases more energetic molecules leave the liquid

✓ Correct answer

B: decreases more energetic molecules leave the liquid

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About this question

Topic
Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2010 Paper 1 Variant 1, question 14.

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