Physics · Oct / Nov 2019 · Paper 12 · Question 18

A student makes four statements about evaporation and boiling. 1 Both involve an increase in molecular separation. 2 Both occur only at a fixed temperature. 3 Both involve the absorption of thermal energy. 4 Both occur throughout the liquid. Which two statements are correct?

1. A1 and 4
2. B2 and 4
3. C1 and 3
4. D2 and 3

As printed in the paper