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Properties of Matter question

2023 · 11 Apr · Shift 2 · Q63

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JEE Main
Physics
Properties of Matter
2023 · 11 Apr · Shift 2 · Q63

Properties of Matter question

2023 · 11 Apr · Shift 2 · Q63

JEE MainPhysicsProperties of MatterNumerical+4 / −1

The surface tension of soap solution is

3.5 \times 10^{-2} \mathrm{~Nm}^{-1}

. The amount of work done required to increase the radius of soap bubble from

10 \mathrm{~cm}

to

20 \mathrm{~cm}

is

\underline{\hspace{2cm}}

\times ~10^{-4} \mathrm{~J}

.

(\operatorname{take} \pi=22 / 7)

Numerical answer

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