Physics · May / June 2026 · Paper 11 · Question 19
5054Melting, boiling and evaporation
Some of the liquid in a dish evaporates, as shown in the diagrams. Which molecules leave the liquid and which molecules in the liquid have greater average kinetic energy?
- Ahigh energy before evaporation
- Bhigh energy after evaporation
- Clow energy before evaporation
- Dlow energy after evaporation
As printed in the paper
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Correct answer: A. high energy before evaporation
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