Two spherical soap bubble coalesce. If `V` is the consequent change in volume of the contained air
Channel: Doubtnut
Date: 2020-08-02

Two spherical soap bubble coalesce. If `V` is the consequent change in volume of the contained air and `S` the change in total surface area, show that  `3PV+4ST=0`  where `T` is the surface tension of soap bubble and `P` is  Atmospheric pressure