Question

give the expression for capillary rise or fall using pressure deference method​

Answer 1

Answer:

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. ... Then, cos θ is negative but so is h, indicating a fall or depression of the liquid in the capillary.

Explanation:

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