A large number of droplets, each of radius a, coalesce to form a bigger drop of radius `b`. Assume
Channel: Doubtnut
Date: 2020-07-26

A large number of droplets, each of radius a, coalesce to form a bigger drop of radius `b`. Assume that the energy released in the process is converted into the kinetic energy of the drop. The velocity of the drop is `sigma =` surface tension, `rho =` density)