The surface tension of soap solution is ...

The surface tension of soap solution is `2.1xx10^-2 N//m`. Then the work done in blowing a soap bubble of diameter 3.0 cm is

A

`4.4xx10^-5 J`

B

`11.9xx10^-5 J`

C

`8.95xx10^-5 J`

D

`23.8xx10^-5 J`

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