Question

What is the formula for rise of water in capillary tube?

Answer 1

Here, ρ = 1000 kg/m3 is the density of water, g = 9.8 m/s2 is the acceleration due to gravity, and (hπa2) is the volume of the water in the column above the reservoir. One method to measure the surface tension of a liquid is to measure the height the liquid rises in a capillary tube.

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