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Work done in increasing the size of a so...

Work done in increasing the size of a soap bubble from a radius of `3 cm` to `5 cm` is nearly. (surface tension of soap solution `= 0.3 Nm^(-1))`

A

`4pi mJ`

B

`0.2pi mJ`

C

`2pi mJ`

D

`0.4 pi mJ`

Text Solution

Verified by Experts

The correct Answer is:
D
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