MHT CET 2022 Physics question
Two narrow tube of diameters 'd' and 'd' are joined together to form a U tube open at both ends. If U tube contains water, the difference in water levels in the limbs is (T is the surface tension of water, angle of contact = zero and density of water = , g = acceleration due to gravity)
Answer: (A)
Solution
Capillary rise in a tube of radius with zero contact angle: . In terms of the diameter : . So the water rises to in the first limb and in the second. The difference in
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