## Conservation of momentum-MCQ-Basic

Physics is an important subject in preparation for various Competitive exams.To keep a track of your preparation we have designed a small quiz of 5 Basic Level Questions on Conservation of momentum. You have 10 minutes to solve the quiz, click the start timer button in order to start the timer and then click on submit button at the end to submit the quiz and view your scores and correct answers.

Q1. A body, whose momentum is constant, must have constant

•  Force
•  Velocity
•  Acceleration
•  All of these

Velocity

Q2. A man fires a bullet of mass 200 g at a speed of 5 m/s. The gun is of one kg mass, by how much velocity the gun rebounds backwards

•  0.1 m/s
•  10 m/s
•  1 m/s
•  0.01 m/s

1 m/s

Q3. A gun of mass 1 kg fires a bullet of mass 1 g with a velocity of 1 m/s. The recoil velocity of the gun is

•  1 m/s
•  0.1 m/s
•  0.01 m/s
•  0.001 m/s

0.001 m/s

Q4. A lead ball and a rubber ball both having the same mass, strike normally on a smooth vertical wall with the same velocity. The lead ball falls down after striking but the rubber ball bounces back. Check the correct statement

•  The momentum of the lead ball is more than that of the rubber ball
•  The momentum of the rubber ball is more than that of the lead ball
•  The rubber ball suffers a greater change in momentum as compared to the lead ball
•  Both the balls suffer an equal change of momentum

The rubber ball suffers a greater change in momentum as compared to the lead ball

Q5. A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments

•  Is zero
•  Depends on the total mass of all the fragments
•  Depends on the speeds of various fragments
•  Is infinity

Is zero

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Conservation of momentum-MCQ-Basic