JEE Physics · Hard

Work, Power and Energy: Elastic Collision — Energy MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

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Elastic Collision — EnergyHardQuestion 30427

Question

In a perfectly elastic collision, which quantity/quantities are conserved?
  1. A
    Only momentum
  2. B
    Only kinetic energy
  3. C
    Both momentum and kinetic energy
    Correct
  4. D
    Total mechanical energy including PE

Correct answer

Both momentum and kinetic energy

Explanation

Elastic collision: no deformation or heat generation. Both momentum and kinetic energy are conserved.