1.

A certain number of spherical drops of a liquid of radius R coalesce to form a single drop of radius R and volume V. If T is the surface tension of the liquid, then:

Answer»

ENERGY `=4VT((1)/(R)-(1)/(R))` is released
energy `=3VT((1)/(r)+(1)/(R))` is absorbed
energy `=3VT((1)/(r)-(1)/(R))` is released
energy is NEITHER released nor absorbed

Answer :C


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