NEET UG PHYSICS MCQ: MECHANICAL PROPERTIES OF SOLIDS

1 Easy

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Understanding +4 | -1

When a force is applied at one end of an elastic wire, it produces a strain

E

in the wire. If

Y

is the Young's modulus of the material of the wire, the amount of energy stored per unit volume of the wire is given by

View answer and explanation

Correct option: D

\frac{1}{2}\left(Y \times E^2\right)

Option D,

\frac{1}{2}(Y \times E^2)

, is correct because it represents the energy stored per unit volume in an elastic material, derived from the area under the stress-strain curve.

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