Statement I : In an elastic collision of two bodies, the momentum and energy of each body is conserved.Statement II : If two bodies stick to each other, after colliding, the collision is said to be perfectly elastic.

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Both statement I and statement II are true and the statement II is the correct explanation of statement I

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

statement I is false but statement II is true

Both statement I and statement II are false.

answer is C.

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Detailed Solution

In an elastic collision both the momentum and kinetic energy remains conserved. But this rule is not for individual bodies, but for the system of bodies before and after the collision. While collision in which there occurs some loss of kinetic energy is called inelastic collision. Collision in daily life are generally inelastic. The collision is said to be perfectly inelastic, if two bodies stick to each other.

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