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Find the work done in blowing a soap bub...

Find the work done in blowing a soap bubble of radius 0.02 m. S.T. of soap solution is `25 xx 10^-3 N/m`

A

`2.5 xx 10^-4 J`

B

`2.5 xx 10^-5 J`

C

`3.5 xx 10^-6 J`

D

`3.5 xx 10^-4 J`

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The correct Answer is:
A
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