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

The work done in blowing a soap bubble from a radius of 6 cm to 9 cm if surface tension of soap solution is `25xx10^(-3) N//m ` , is

A

`90pixx10^(-5)`J

B

`60 pixx10^(-5)`

C

`60pixx10^(-5)`

D

`90pixx10^(-6)` J

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The correct Answer is:

A

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