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Properties of Matter question

2023 · 31 Jan · Shift 1 · Q60
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Properties of Matter question

2023 · 31 Jan · Shift 1 · Q60

JEE MainPhysicsProperties of MatterMCQ+4 / −1
If 1000 droplets of water of surface tension 0.07 N/m0.07 \mathrm{~N} / \mathrm{m}0.07 N/m, having same radius 1 mm1 \mathrm{~mm}1 mm each, combine to from a single drop. In the process the released surface energy is :-(Take π=227)\left( {\mathrm{Take}\,\pi = {{22} \over 7}} \right)(Takeπ=722​)
  1. A
    7.92×10−4 J7 .92 \times 10^{-4} \mathrm{~J}7.92×10−4 J
  2. B
    7.92×10−6 J7 .92 \times 10^{-6} \mathrm{~J}7.92×10−6 J
  3. C
    8.8×10−5 J8 .8 \times 10^{-5} \mathrm{~J}8.8×10−5 J
  4. D
    9.68×10−4 J9 .68 \times 10^{-4} \mathrm{~J}9.68×10−4 J
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