Punjab 11th Class Physics Chapter 4 Work and Energy Mcqs Test Online
Questions 12
Total Marks 24
Time 12 Mins
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Punjab 11th Class Physics Chapter 4 Work and Energy Mcqs Test Online

Physics Chapter 4 Work and Energy Mcqs Test Online Class 11th Punjab

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Question 1 of 12

Physics

1. The energy stored in the spring of watch is:

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2. The expression for escape velocity is given by:

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3. Two bodies with kinetic energies in the ration of 4:1 are moving with equal linear momentum. The ratio of their masses is

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4. A body of mass 5kg is moving with a momentum of 10kg ms⁻¹. A force of 0.2 N acts on it in the direction of motion of the body for 10 seconds. The increase in its kinetic energy is

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5. The atmosphere is held to the earth by

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6. Work is said to be negative when F and d are:

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7. If momentum is increased by 20% then K.E. increases by

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8. If the K.E of a body become four time of the initial value, then new momentum will

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9. If force and displacement of particle in the direction of force are doubled. Work would be

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10. One horse power is given by:

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11. An example of non-conservative force is:

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Question 12 of 12

12. Two bodies of masses m₁ and mn have equal momentum their kinetic energies E₁ and En are in the ratio:

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