The work done in blowing a soap bubble o...

The work done in blowing a soap bubble of radius 0.02 m to radius 0.04 m will be
(if surface tension of soap solution is `28xx10^-3 N//m)`

A

`4.22xx10^-4 J`

B

`5.84xx10^-4 J`

C

`8.45xx10^-4 J`

D

`6.45xx10^-4 J`

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