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Under isothermal condition, energy E is ...

Under isothermal condition, energy E is supplied to a soap bubble of surface tension `sigma` and radius r, to double the radius of the soap bubble. The value of E is

A

`16 pi r^(2) sigma`

B

`24pi r^(2) sigma`

C

`8 pi r^(2) sigma`

D

`12 pi r^(2) sigma`

Text Solution

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The correct Answer is:
B
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