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5.work,energy,power and collision — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics5.work,energy,power and collision1 Mark
MCQ
Select the false statement
  • A
    In elastic collision, $KE$ is not conserved during the collision
  • B
    The coefficient of restitution for a collision between two steel balls lies between $0$ and $1$
  • C
    In an oblique elastic collision between two identical bodies with one of them at rest initially, the final velocities are perpendicular
  • ✓
    The momentum of a ball colliding elastically with the floor is conserved
✓

Answer

Correct option: D.
The momentum of a ball colliding elastically with the floor is conserved
d
(d)

Momentum will be conserved.

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