Under isothermal condition, energy E is supplied to a soap bubble of surface tension `sigma` and radius r, to double the radius of the soap bubble. The value of E is

What is the work done in blowing soap bubble of radius 'r' and surface tension 'sigma' ?

The amount of the work done in blowing a soap bubble of radius r and surface tension sigma , is:

A soap bubble of diameter a is produced using the soap solution of surface tension T. Find the energy required to double the radius of the bubble without change of temperature.

A soap bubble of diameter a is produced using the soap solution of surface tension T. Find the energy required to double the radius of the bubble without change of temperature.

Air is pushed into a soap bubble of radius r to double its radius, of the surface tension of the soap solution is S, the work done in process is

Excess pressure inside a soap bubble of radius r and surface tension T is

Under isothermal conditions two soap bubbles of radii a and b coalesce to form a single bubble of radius c. If external pressure is P_e , the surface tension of soap solution is equal to :