NDA 2022 Physics question

Evaporation from the surface of a given liquid takes place more rapidly when

(A)the temperature is high and the surface area of the liquid is largeCorrect
(B)the temperature is low and the surface area of the liquid is large
(C)the temperature is low and the surface area of the liquid is small
(D)the temperature is high and the surface area of the liquid is small

Answer: (A)

Solution

Evaporation takes place from the surface. At a higher temperature more molecules have enough energy to escape, and a larger surface exposes more molecules to the air, so

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Question ID VK-032044