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MCQMediumJEE Main 2023 · 31 January, Shift 1Surface Tension & Capillarity

Physics Question from JEE Main 2023 · 31 January, Shift 1

If 10001000 droplets of water of surface tension 0.07 N/m0.07 \, \text{N/m}, having same radius 1 mm1 \, \text{mm} each, combine to form a single drop. In the process, the released surface energy is: (Take π=227\pi = \frac{22}{7})

  • A

    7.92×10−6 J7.92 \times 10^{-6} \, \text{J}

  • B

    7.92×10−4 J7.92 \times 10^{-4} \, \text{J}

  • C

    9.68×10−4 J9.68 \times 10^{-4} \, \text{J}

  • D

    8.8×10−5 J8.8 \times 10^{-5} \, \text{J}

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