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MCQEasyJEE Main 2023 · 29 January, Shift 1Surface Tension & Capillarity

Physics Question from JEE Main 2023 · 29 January, Shift 1

The surface tension of a soap bubble is 2×10−2 N/m2 \times 10^{-2} \, \text{N/m}. Work done to increase the radius of the bubble from 3.5 cm3.5 \, \text{cm} to 7 cm7 \, \text{cm} will be:

  • A

    0.72×10−4 J0.72 \times 10^{-4} \, \text{J}

  • B

    5.76×10−4 J5.76 \times 10^{-4} \, \text{J}

  • C

    18.48×10−4 J18.48 \times 10^{-4} \, \text{J}

  • D

    9.24×10−4 J9.24 \times 10^{-4} \, \text{J}

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