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If a spring extends by x on loading, the...

If a spring extends by `x` on loading, then then energy stored by the spring is (if T is tension in the spring and k is spring constant)

A

`(T^2)/(2x)`

B

`(T^2)/(2k)`

C

`(2k)/(T^3)`

D

`(2T^2)/k`

Text Solution

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The correct Answer is:
B
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