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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > A large number of water drops each of radius r combine to have a drop of radius R. If the surface tension is T and the mechanical equivalent at heat is J, the rise in heat energy per unit volume will be

A large number of water drops each of radius r combine to have a drop of radius R. If the surface tension is T and the mechanical equivalent at heat is J, the rise in heat energy per unit volume will be

A large number of water drops each of radius r combine to have a drop of radius R. If the surface tension is T and the mechanical equivalent at heat is J the rise in heat energy per unit volume will be