Work, Energy And Power Test Online MCQs Questions & Answers
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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 Test Help For Physics Subject Test Prep. All Admissions Test. All Jobs Test prep. Engineering Test prep. B Tech and BDS Prep.

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.

## Physics

1. 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 1 of 15

2. If the force applied is F and the velocity gained is v, then the power developed is:

Question 2 of 15

3. Which one of the following is true?

Question 3 of 15

4. 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 4 of 15

5. A body is allowed to slide down a frictionless track freely under gravity. The track end in a semicircular shaped part of a diameter D. The height (minimum) from which the body must fall so that it completes the circle, is

Question 5 of 15

6. 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 6 of 15

7. A spring 40 mm long is stretched by applying a force. If 10 N force is required to stretch the spring through one mm, then work done in stretching the spring through 40 mm is:

Question 7 of 15

8. If a spring extends by x on loading, then energy stored by the spring is (if T is the tension in spring and k is spring constant)

Question 8 of 15

9. When a ball is thrown up vertically with velocity v₀ it reaches a maximum height of h. If one wishes to triple the maximum height then the ball should be thrown with velocity?

Question 9 of 15

10. A mass of 1 Kg 1 kg is hanging from a spring constant 1 N/m. If Saroj pulls the mass down by 2m. The work done by Saroj is

Question 10 of 15

11. For inelastic collision between two spherical rigid bodies:

Question 11 of 15

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

Question 12 of 15

13. 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 13 of 15

14. 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 14 of 15

15. The kinetic energy of a body becomes four times its initial value. The new linear momentum will be

Question 15 of 15

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