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Question is

Assertion:  KE is conserved at every instant of elastic collision. 

Reason:  No deformation of matter occurs in
elastic collision.

  • If both assertion and reason are true and reason is the correct explanation of assertion.

  • If both assertion and reason are true but reason is not the correct explanation of assertion.

  • If assertion is true but reason is false.

  • If both assertion and reason are false.

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