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The amount of work done in blowing a soa...

The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (T=surface tension of the solution)

A

`pi(D^(2)-d^(2))S`

B

`2pi(D^(2)-d^(2))S`

C

`4pi(D^(2)-d^(2))S`

D

`8pi (D^(2)-d^(2))S`

Text Solution

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The correct Answer is:
B
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