A soap bubble of radius r and surface tension T is given a potential V. Show that the new
Channel: Doubtnut
Date: 2020-08-23

A soap bubble of radius r and surface tension T is given a potential V. Show that the new radius R of the bubble is related with the initial radius by the equation   `P(R^(3) -r^(3)) +4T (R^(2)-r^(2)) = (in_(0)V^(2)R)/(2)` where P is the atmospheric pressure.