Question

Calculate the height to which water will rise in a capillary tube of radius 0.4mm if surface tension of water is 0.072 N|m and density of water is 1000kg|m^3

Answer 1

h=2T/pgr

H= 2x72x10^-3/103x10x4x10-5

H= 144x10^-2/4=36x10-2= 36cm