By: Prof. Dr. Fazal Rehman | Last updated: March 3, 2022
Physics MCQs from Books Chapter
1. What is the angle between F and d? when the work is done will be negative.A. 90°B. 180°C. 360°D. 45°
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B
2. _______ is also called one joule per second.A. NewtonB. MassC. WattD. JouleE. Kilowatt
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C
3. When displacement and force are in the same direction, then what will be the work done?A. MinimumB. ZeroC. -1D. 1E. Maximum
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E
4. The Dot product of________ is also called powerA. F.tB. F.vC. F.dD. F.mE. None of these
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B
5. Which of the following principle of conservation we used for rocket worksA. Angular momentumB. ElectricityC. MassD. EnergyE. Momentum
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E
6. Which of the following is the correct answer, if a body of mass 2 kg is raised vertically through 2m, then the work done will beA. 39.2 JB. 390.2 JC. 38.2 JD. 392.1 JE. 6.5 J
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A
7. Which of the following cell converts solar energy into electrical energyA. Electromagnetic B. GalvanicC. RotaryD. Photovoltaic
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D
8. Work is___________ quantity.A. FundamentalB. ConservationC. ScalarD. Vector
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C
9. When the ratio of work done to the smallest interval of time is know as______A. Instantaneous powerB. Instantaneous forceC. Instantaneous accelerationD. Instantaneous velocity
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A
10. What is the SI unit of energyA. JouleB. J/sC. WattD. ergE. None of these
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A
11. Which one is correct.if velocity is doubled.
A. Momentum increases 2 times and K.E remain constantB. Momentum increases 4 times and K.E 2 timesC. Momentum increases 2 times and K.E increase 4 times.D. Momentum and K.E remain the sameE. None of these
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C
12. Both kinetic and potential energies are A. Two forms of torqueB. Not inter-convertibleC. Not related with each otherD. Inter-Convertable
