A drop of mercury of radius 2 mm is split into 8 identical droplets. Find the increase in surface energy. (Surface tension of mercury is 0.465 J/m²)

Question:

4.A drop of mercury of radius 2 mm is split into 8 identical droplets. Find the increase in surface energy. (Surface tension of mercury is 0.465 J/m²)

Options :

a) 23.4μJ
b) 18.5μJ
c) 26.8μJ
d) 16.8μJ

Answer :

a) 23.4μJ

Answer Steps :

Solution :-

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