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
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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


1. mark reviewIf 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. mark reviewIf the force applied is F and the velocity gained is v, then the power developed is:

Question 2 of 15

3. mark reviewWhich one of the following is true?

Question 3 of 15

4. mark reviewA 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. mark reviewA 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. mark reviewA 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. mark reviewA 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. mark reviewIf 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. mark reviewWhen 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. mark reviewA 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. mark reviewFor inelastic collision between two spherical rigid bodies:

Question 11 of 15

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

Question 12 of 15

13. mark reviewA 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. mark reviewA 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. mark reviewThe 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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