The surface tension of a | surface Tension | JEE MAIN_2026

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JEE MAIN_2026

02-04-26_S2

Question

The surface tension of a soap bubble is $0.03 \mathrm{~N} / \mathrm{m}$. The work done in increasing the diameter of bubble from 2 cm to 6 cm is $\alpha \pi \times 10^{-4} \mathrm{~J}$. The value of $\alpha$ is $\_\_\_\_$ . (Take $\pi=3.14$ )

Select the correct option:

A

0.86

B

0.64

C

1.92

D

7.68

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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