Surface tension of soap solution is 2xx1...

Surface tension of soap solution is `2xx10^(-2)N//m`. The work done in producing a soap bubble of radius 2 cm is :-

A

`64 Pi xx 10^(-6)J`

B

`32 Pi xx 10^(-6)J`

C

`16 Pi xx 10^(-6)J`

D

`8 Pi xx 10^(-6)J`

Verified by Experts

The correct Answer is:

A

`W = 8 pi R^(2) T = 8 xx pi xx (2 xx 10^(-2))^(2) xx 2 xx 10^(-2)`
`= 64 Pi xx 10^(-6)J`.

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