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MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

Several spherical drops of a liquid of radius r coalesce to form a single drop to radius R. If S is surface tension and V is volume under consideration, then the release of energy is

Answer: (B)

Solution

With n drops, , the area decrease is , so the energy released is

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Question ID VK-062115