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The surface tension of a liquid is 5 N/m...

The surface tension of a liquid is 5 N/m. If a film is held on a ring of area `0.02 m^2` its surface energy is about

A

`5 xx 10^-4 J`

B

`2.5 xx 10^-2 J`

C

`2 xx 10^-1 J`

D

`3 xx 10^-1 J`

Text Solution

Verified by Experts

The correct Answer is:
C
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