In an elastic collision

I. Energy is conserved

II. Energy is decreased

III. Energy is increased

IV. Linear momentum conserved

  • A Energy is conserved
  • B I only
  • C I and IV only
  • D II only
  • E III only
jamb 2015physics

The correct answer is B. I only

In an inelastic collision, linear momentum is conserved and energy is decreased

Momentum and kinetic energy are conserved in elastic collision

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