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A mercury drop of radius \(10^{-3} \mathrm{~m}\) is broken into 125 equal size droplets. Surface tension of mercury is 0…

Q1

A mercury drop of radius \(10^{-3} \mathrm{~m}\) is broken into 125 equal size droplets. Surface tension of mercury is 0.45 Nm–1. The gain in surface energy nearly is:

[JEE Main 2023, 1 Feb (Shift 1)]

a

\(2.26 \times 10^{-5} \mathrm{~J}\)

b

\(28 \times 10^{-5} \mathrm{~J}\)

c

\(17.5 \times 10^{-5} \mathrm{~J}\)

d

\(5 \times 10^{-5} \mathrm{~J}\)

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