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Potential energy of a molecule on the surface of a liquid is as compare to another molecule inside of the liquid is (a) More (b) Less (c) Both ‘a’ and ‘b’ (d) None of these

Potential energy of a molecule on the surface of a liquid is as compare to another molecule inside of the liquid is

(a) More (b) Less
(c) Both ‘a’ and ‘b’ (d) None of these

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
When the surface area of the liquid is increased molecules from the interior of the liquid rise to surface . As these molecules reach the surface work is done against the cohesive force.This work is stored in the molecules in the form of potential energy .Thus , the potential energy of the molecules lying in the surface is greater than that of the molecules in the interior of the liquid.

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