If n small droplets of water each of radiur r, coalesce to form a single drop of radius R. The amount of heat generated is

If n small droplets of water each of radiur r, coalesce to form a sing

1.	If n small droplets of water each of radiur r, coalesce to form a single drop of radius R. The amount of heat generated is
Answer» `4PIT(NR^(2)-R^(2))` `4piT(nR^(2)-r^(2))` `(4PI)/T(nr^(2)-R^(2))` `(4piT)/n(r^(2)-R^(2))` Answer :A