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A liquid film is formed in a loop of are...

A liquid film is formed in a loop of area 0.05 m 2. Increase in its potential energy will be ( T = 0.2 N/m )

A

`5xx10^(-2) J`

B

`2xx10^(-2)` J

C

`3xx10^(-2) J`

D

None of these

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The correct Answer is:
B
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