Two wires of the same material (Young's modulus 
) and same length L but radii R and 2R respectively, are joined end-to-end and a weight w is suspended from the combination as shown in the figure. The elastic potential energy in the system is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
We have, 
and 
The elastic potential energy in the system,
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