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Standard XII

Physics

Com in Perfectly Inelastic Collision

Assertion :Th...

Question

Assertion :The coefficient of restitution for any collision lies between zero and 1. Reason: This is due to the reason that no collision is perfectly elastic or perfectly inelastic.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is D Assertion is incorrect but Reason is correct
The coefficient of restitution for any collision 'generally' lies between zero and one. However, there are cases when it can be less than zero implying the objects passed through one another without fully engaging resulting in an an incomplete transfer of momentum [e.g. a bullet passing through a target]. Also in some cases it can exceed one representing a collision in which energy is released also known as superelastic collisions.

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