Punjab 11th Class Physics Chapter 4 Work and Energy Mcqs Test Online Physics Chapter 4 Work and Energy Mcqs Test Online Class 11th Punjab 123456789101112Show paginator Hide paginator 8% Question 1 of 12Physics 1. The atmosphere is held to the earth by Wings Gravity Clouds The rotation of earthQuestion 1 of 12Question 2 of 12 2. One horse power is given by: 746 Foot Pounds746 watts 746 KW 746 Joules Question 2 of 12Question 3 of 12 3. Two bodies with kinetic energies in the ration of 4:1 are moving with equal linear momentum. The ratio of their masses is 1:4 1:2 4:1 1:1 Question 3 of 12Question 4 of 12 4. If momentum is increased by 20% then K.E. increases by 5% 77%66% 44% Question 4 of 12Question 5 of 12 5. If force and displacement of particle in the direction of force are doubled. Work would be Double Half 4 times ¼ timesQuestion 5 of 12Question 6 of 12 6. The energy stored in the spring of watch is: Electrical Energy Solar Energy Elastic P.E K.E Question 6 of 12Question 7 of 12 7. If the K.E of a body become four time of the initial value, then new momentum will Become three times, its initial value Remain constantBecome four times, its initial value Become twice its initial value Question 7 of 12Question 8 of 12 8. 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 4.4 Joule 2.8 Joule 3.2 Joule 3.8 Joule Question 8 of 12Question 9 of 12 9. Work is said to be negative when F and d are: Parallel None of theseAnti Parallel Perpendicular Question 9 of 12Question 10 of 12 10. An example of non-conservative force is: Electric force Magnetic forceGravitational force Frictional force Question 10 of 12Question 11 of 12 11. Two bodies of masses m₁ and mn have equal momentum their kinetic energies E₁ and En are in the ratio: m₁mn √m₁ √m₂ None of these mnm₁ Question 11 of 12Question 12 of 12 12. The expression for escape velocity is given by: ngR² ngR √2gR gR²/2 Question 12 of 12 Loading... Test By Subject Punjab Test By Topics 11th Class Physics You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.