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

The amount of work done in blowing up a soap bubble of radius 2 cm is [Given surface tension of soap solution = 4 `xx 10^(-2)` N `m^(-1)`]

A

`1.28 xx 10^(-4)` J

B

`32 xx 10^(-4)` J

C

`1.08 xx 10^(-4)` J

D

`4.02 xx 10^(-4)` J

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The correct Answer is:

D

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