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Properties of Matter question

2023 · 1 Feb · Shift 1 · Q62
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  5. /2023 · 1 Feb · Shift 1 · Q62

Properties of Matter question

2023 · 1 Feb · Shift 1 · Q62

JEE MainPhysicsProperties of MatterMCQ+4 / −1
A mercury drop of radius 10−3 m10^{-3}~\mathrm{m}10−3 m is broken into 125 equal size droplets. Surface tension of mercury is 0.45 Nm−10.45~\mathrm{Nm}^{-1}0.45 Nm−1. The gain in surface energy is :
  1. A
    28×10−5 J28\times10^{-5}~\mathrm{J}28×10−5 J
  2. B
    17.5×10−5 J17.5\times10^{-5}~\mathrm{J}17.5×10−5 J
  3. C
    5×10−5 J5\times10^{-5}~\mathrm{J}5×10−5 J
  4. D
    2.26×10−5 J2.26\times10^{-5}~\mathrm{J}2.26×10−5 J
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