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NEET UG PHYSICS MCQ: WORK-ENERGY-POWER

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Consider the following statements A and B identify the correct choice in the given answers
A) In a one-dimensional perfectly elastic collision between two moving bodies of equal masses, the bodies exchange their velocities after the collision
B) If a lighter body at rest suffers head-on and perfectly elastic collision with a very heavy body moving with a certain velocity, after the collision both travel with same velocity

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Correct option: C

A is correct and B is wrong

Option C is correct. Statement A is correct because in a perfectly elastic collision between equal masses, velocities are exchanged. Statement B is wrong because the lighter body will rebound with approximately the same speed in the opposite direction, while the heavier body's velocity remains almost unchanged.

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