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

[02 April, 2026 (Shift-2)]

Question

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

[02 April, 2026 (Shift-2)]

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