A) \[5\times {{10}^{-2}}J\]
B) \[2\times {{10}^{-2}}J\]
C) \[3\times {{10}^{-2}}J\]
D) None of these
Correct Answer: B
Solution :
Increment in Potential energy = \[T\times \Delta A\] \[=0.02\times 2\times 0.05=2\times {{10}^{-2}}J\]
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