The surface tension of a soap solution i...

The surface tension of a soap solution is `2xx10^(-2) N//m`. To blow a bubble of radius 1cm, the work done is

A

`4pixx10^-8J`

B

`8pixx10^-8J`

C

`12pixx10^-8J`

D

`16pixx10^-8J`

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The correct Answer is:

D

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