Post-UTME Physics 2015 Objective — Question 16
Question 16 of 20 from the Post-UTME Screening (Post-UTME) Physics 2015 Objective paper, with the correct answer and a full explanation.
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When a liquid in a container is evaporating, the temperature of the bulk liquid
- A. decreasesCorrect
- B. initially decreases but later increases
- C. does not change
- D. increases.
Explanation
Evaporation removes the most energetic molecules, lowering the average kinetic energy (and thus temperature) of the remaining liquid.
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