Statement I : The conservation of kinetic energy in elastic collision applies after the collision is over and does not hold at every instant of the collision.
Statement II : During a collision the total linear momentum is conserved at each instant of the collision.

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If both statement I and statement II are true and the statement II is the correct explanation of statement I

If both statement I and statement II are true but the statement II is not the correct explanation of statement I

If statement I is true but statement II is false

If both statement I and statement II are false.

answer is B.

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Detailed Solution

During the collision some of KE is stored in PE.

As there is no external force even during the collision, hence linear momentum is conserved.

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