Mechanical Properties of Fluids

Question: The surface tension of a liquid is 5 N/m. If a thin film of the area $0.02 m^2$ is formed on a loop, then its surface energy will be

1) $5\times {{10}^{2}}\,J$

2) $2.5\times {{10}^{-2}}\,J$

3) $2\times {{10}^{-1}}\,J$

4) $5\times {{10}^{-1}}\,J$

Solution:

Explanation: No Explanation

Surface tension surface energy

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