A spherical drop of oil of radius 1 cm is broken into 1000 droplets of equal radii. If the surface tension of oil is 50 dynes / cm , the work done is

A spherical drop of oil of radius 1 cm is broken into 1000 droplets of equal radii. If the surface tension of oil is 50 dyne/cm, the work done is

A soap bubble of radius (1)/( sqrt(pi) cm is expanded to double its radius. If the surface tension is 30 dynes/cm, the work done is

A drop of radius 1 mm is sprayed into 1000 droplets of same size. If surface tension of the liquid is 40 dyne cm^(-1) , the amount of work done in the process is

A mercury drop of radius R splits up into 1000 droplets of equal radii . The change in the surface area is

A water drop of radius 1 cm is broken into 1000 equal droplets. If the surface tension of water is 0.075 N/m , then the gain in surface enrgy will be

A water drop of radius 1 cm is broken into 1000 equal droplets. If the surface tension of water is 0.075 N/m , then the gain in surface enrgy will be