If a spring extends by x on loading, then energy stored by spring is (if T is tension in spring and

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8.Mechanical Properties of Solids

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

A

$\frac{{{T^2}}}{{2x}}$

B

$\frac{{{T^2}}}{{2k}}$

C

$\frac{{2x}}{{{T^2}}}$

D

$\frac{{2{T^2}}}{k}$

(AIIMS-1997)

Solution

(b) $U = \frac{{{F^2}}}{{2K}} = \frac{{{T^2}}}{{2K}}$

Standard 11

Physics

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