MHT CET 2024 Physics question
On the surface of the liquid in equilibrium, molecules of the liquid possess
Answer: (A)
Solution
A molecule in the bulk of a liquid is attracted equally in all directions by its neighbours, but a molecule at the surface has neighbours only on the liquid side, so a net inward cohesive force acts on it. Bringing a molecule from the interior to the surface requires work against this force, so surface molecules have
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