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MHT CET Physics question

PhysicsMechanical Properties of FluidsMHT CET

When one end of the capillary is dipped in water, the height of water column is . The upward force of 105 dyne due to surface tension is balanced by the force due to the weight of water column. The inner circumference of the capillary is. (Surface tension of water N/m) [MHTCET 2017]

Answer: (A)

Solution

, so \dfrac{105×10^{-5}\ N}Extra open brace or missing close brace{7×10^{-2}$\

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Question ID VK-062141