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Work, Energy and Power Test Online MCQs

Test Name Work, Energy and Power MCQs Test
Subject Physics
Test Type MCQs
Total Question 15
Total Marks 30
Total Time 15 Mints
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Work, Power and Energy Test being added over here in  the form of multiple choice questions for the preparation of Physics Subject test. Work, Power and Energy Test is helpful in objective exam preparation. Check your information and increase your knowledge about Work, Power and Energy by attempting this test below.

Work, Energy and Power Test Online MCQs

Physics

1. Two bodies of masses m and 4m are moving with equal kinetic energy. Then the ratio of their linear momentum will be:

Question 1 of 15

2. If the water falls from a dam into a turbine wheel 19.5 m below, then the velocity of water at the turbine is: (take g = 9.8 m/sec²)

Question 2 of 15

3. Which one of the following is true?

Question 3 of 15

4. A bullet is fired form a riffle. If the riffle recoils freely, then the kinetic energy of the rifle will be:

Question 4 of 15

5. A particle of mass m moving with velocity v collides with a stationary particle of mass 2m. Then the speed of the system after collision is:

Question 5 of 15

6. A shell of mass m moving with velocity v suddenly breaks into 2 pieces. The part having mass m/3 remains stationary. The velocity of other part will be:

Question 6 of 15

7. For inelastic collision between two spherical rigid bodies:

Question 7 of 15

8. If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbines, is (take g = 9.8 m/s²)

Question 8 of 15

9. A bullet of mass 10g leaves a riffle at an initial velocity of 1000 m/sec and strikes the earth at the same level with a velocity of 500 m/sec. The work in overcoming the resistance of air will be:

Question 9 of 15

10. Two bodies of masses 0.1 kg and velocities they stick together. In 10 sec the combined mass travels

Question 10 of 15

11. A body of mass 5 kg has momentum of 10 kg m/sec. When a force of 0.2 N is applied on it for 10 sec, the change in its kinetic energy is

Question 11 of 15

12. A ball of mass 10 kg is moving with a velocity of 10 m/s. It strikes another ball of mass 5 kg, which is moving in the same direction with a velocity of 4 m/s. If the collision is elastic their velocities after collision will be respectively

Question 12 of 15

13. A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance d. The net work done in the process is

Question 13 of 15

14. A force 1212 newton acts on a body and displaced it by 1212 meter. The work done by the force is:

Question 14 of 15

15. A block of mass 10 kg is moving in x-direction with a constant speed of 10 m/sec. It is subjected to a retarding force F = -0. 1x joule/meter during its travel from x = 20 meter to x = 30 meter. Its final kinetic energy will be:

Question 15 of 15


 

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