Mechanical Properties of Fluids

Question: 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)



1) $5\times {{10}^{-2}}J$
2) $2\times {{10}^{-2}}J$
3) $3\times {{10}^{-2}}J$
4) None of these
Solution: Explanation: No Explanation
Surface tension surface energy

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