# NEET Physics Mechanical Properties of Fluids Questions Solved

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

(a) $1:{2}^{1/3}$                          (b) ${2}^{1/3}:1$

(c) 2:1                               (d) 1:2

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