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Work of 6.0xx10^(-4)N joule is required ...

Work of `6.0xx10^(-4)`N joule is required to the done in increasing the size of soap film form `10cmxx6cm` to `10cmxx11cm`. The surface tension of the film is (in `N//m)`

A

`5xx10^(-2)`

B

`6xx10^(-2)`

C

`1.5xx10^(-2)`

D

`1.2xx10^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`W=T DeltaA`
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