A body is said to be perfectly elastic if

it is not effected by external force

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its surface is perfectly smooth

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it can move freely

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it recovers its original shape / size when the deforming force is removed

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Solution

The correct option is D
it recovers its original shape / size when the deforming force is removed

A body is said to be perfectly elastic if it recovers its original shape / size when the deforming force is removed.

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Similar questions

Column I	Column II
(A) A body which regains its original shape after the removal of external forces	(p) Elasticity
(B) A body which does not regain its original shape after the removal of external forces.	(q) Elastic body
(C) A body which does not show any deformation on applying external forces	(r) Plastic body
(D) The property of the body to regain its original configuration when the deforming forces are removed.	(s) Rigid body

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