Question

Derive an expression for capillary rise or fall using forces.​

Answer 1

Answer:

Let the capillary rise be h and θ be the angle of contact at the edge of contact of the concave meniscus and glass figure. If R is the radius of curvature of the meniscus then from the figure, r = R cos θ. Thus, the narrower the capillary tube, the greater is the capillary rise

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