Check the correctness of the relation `h  =(2 sigma cos theta)/(r^2 dg),` where h is heigh
Channel: Doubtnut
Date: 2020-07-26

Check the correctness of the relation `h  =(2 sigma cos theta)/(r^2 dg),` where h is height , `sigam` is surface tension, `theta` is angle of contact, r is radius, d is  density and g in acceleration due to gravity.