Work done in blowing a soap bubble of di...

Work done in blowing a soap bubble of diameter 2 cm , is (S.T =`3xx10^(-2)` N/m)

A

`7.54xx10^(-5)` J

B

`7.54xx10^(-6)` J

C

`7.54xx10^(-3)` J

D

`7.54 J`

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The correct Answer is:

A

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