A liquid film is formed in a loop of area 0.05 m2. Increase in its pot – McqOptions

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1.	A liquid film is formed in a loop of area 0.05 m2. Increase in its potential energy will be (T = 0.2 N/m) [RPMT 2002]
A.	\[5\times {{10}^{-2}}J\]
B.	\[2\times {{10}^{-2}}J\]
C.	\[3\times {{10}^{-2}}J\]
D.	None of these
Answer» C. \[3\times {{10}^{-2}}J\]

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