Two small drops of mercury each of radius r form a single large drop. The ratio of surface energy before and after this change is

Two small drops of mercury, each of radius R , coalesce to form a single large drop. The ratio of the total surface energies before and after the change is

Two small drop of mencury , each of radius R coulesece in from a simple large drop The ratio of the total surface energies before and after the change is

Two small drops of mercury each of radius r coalesce to form a single large drop of radius R. The ratio of the total surface energies before and after the change is ……

Two small drops of mercury, each of radius R coalesce to form a single large drop. Calculate the ratio of the total surface energies before and after the change.