In an isothermal process 2 water drops of radius 1 mm are combined to form a ** drop. Find the energy change in this process if T = 0.1 N/m
(1) 1 µJ
(2) 0.5 µJ
(3) 0.25 µJ
(4) 0.75 µJ
Correct option (2) 0.5 µJ
Explanation: