Quiz  /  Perfectly Inelastic Collision MCQ

  • 1. 
    The coefficient of restitution e for a perfectly inelastic collision is

  • 1
  • 0
  • Infinity
  • -1

  • 2. 
    When two bodies stick together after the collision, the collision is said to be

  • Partially elastic collision
  • Totally elastic collision
  • Totally inelastic collision
  • None of the above

  • 3. 
    A completely inelastic collision is one in which the two colliding particles

  • Are separated after collision
  • Remain together after the collision
  • Split into small fragments flying in all directions
  • None of the above

  • 4. 
    A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. What is conserved?

  • Momentum and kinetic energy
  • Kinetic energy alone
  • Momentum alone
  • Neither momentum nor kinetic energy

  • 5. 
    A body of mass m moving with a constant velocity v hits another body of the same mass moving with the same velocity v but in the opposite direction and sticks to it. The velocity of the compound body after the collision is

  • 2v
  • v/2
  • V
  • Zero

  • 6. 
    A 50 g bullet moving with velocity 10 m/s strikes a block of mass 950 g at rest and gets embedded in it. The loss in kinetic energy will be

  • 100%
  • 95%
  • 5%
  • 50%

  • 7. 
    A ball is dropped from a height 10m. The ball is embedded in sand 1m and stops, then

  • Only momentum remains conserved
  • Only kinetic energy remains conserved
  • Both momentum and K.E are conserved
  • Neither K.E nor momentum is conserved

  • 8. 
    Which of the following is not perfectly inelastic collision?

  • Striking of two glass balls
  • A bullet striking a bag of sand
  • An electron captured by a proton
  • A man jumping onto a moving cart

  • 9. 
    A particle of mass m moving with velocity v strikes a stationary particle of mass 2m and stricks to it. The speed of the system will be

  • v/2
  • 2v
  • v/3
  • 3v

  • 10. 
    If a skater of weight 3 Kg has initial speed 32 m/s and the second one of weight 4 kg has 5m/s. After the collision, they have speed (couple) 5 m/s. Then the loss in K.E is

  • 48 J
  • 96 J
  • Zero
  • None of these
Report Question
warning
access_time
  Time