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The surface tension of a liquid is 5Nm^-...

The surface tension of a liquid is `5Nm^-1`. If a thin film formed on a loop of area `0.02m^-2` then its surface energy will be

A

`5xx10^(-3) J`

B

`2.5xx10^(-3)J`

C

`1xx10^(-1)J`

D

`5xx10^(-1)J`

Text Solution

Verified by Experts

The correct Answer is:
C
Surface energy =T.A
=5x0.02=0.1
`=1xx10^(-1) J`
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