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MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

When a capillary is dipped vertically in water, rise of water in capillary is 'h'. The angle of contact is zero. Now the tube is depressed so that its length above the water surface is . The new apparent angle of contact is [MHT-CET 2023]

Answer: (B)

Solution

with the same T, r, ρ, so ; the new height requires $θ' =

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Question ID VK-062220