Question

58. A container has two immiscible liquids of densities rho1 and rho2 .a capilary tube of radius r is inserted in the liquid so that it's bottom reaches upto the denser liquid. The denser liquid rises in the capilary and attains a hight h from the interface of the liquids which is equal to the column of the lighter liquid .assuming angle of contact to be 0,the surface tension of the heavier liquid is

Answer 1