The surface tension of soap solution is 3.5 × 10⁻² N m⁻¹. The amo… | JEE Main 2023 Physics PYQ

NVAEasyJEE Main 2023 · 11 April, Shift 2Surface Tension & Capillarity

The surface tension of soap solution is $3.5 \times 10^{-2} \, \text{N m}^{-1}$ . The amount of work done required to increase the radius of soap bubble from $10 \, \text{cm}$ to $20 \, \text{cm}$ is _____ $\times 10^{-4} \, \text{J}$ . (take $\pi = 22/7$ )

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