NEET UG PHYSICS MCQ: MECHANICAL PROPERTIES OF SOLIDS

1 Easy

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Application +4 | -1

On all the six surfaces of a unit cube, equal tensile force of

F

is applied. The increase in length of each side will be

(Y =

Young’s modulus,

\sigma =

Poisson’s ratio)

View answer and explanation

Correct option: C

\frac{{F\left( {1 - 2\sigma } \right)}}{Y}

Option C (

\frac{{F\left( {1 - 2\sigma } \right)}}{Y}

) is correct because it represents the increase in length of each side when equal tensile force is applied on all six surfaces of a unit cube.

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