IGCSE O Level Physics MCQs - Chapter 2
Energy, Work and Power Trivia Questions and Answers PDF - 16
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Energy, Work & Power Questions & Answers PDF Download: MCQ Quiz 16
MCQ 76: When pendulum bob is released, potential energy is converted into
- Mechanical Energy
- Electrical Energy
- Thermal energy
- Kinetic energy
MCQ 77: An elevator motor is used to lift 1000 N load to a height of 0.25 km. If the total amount of energy input is 1MJ, which of the following pairs of values of energy wasted and efficiency are correct?
- Energy wasted = 750 kJ, Efficiency = 75 %
- Energy wasted = 500 kJ, Efficiency = 75 %
- Energy wasted = 500 kJ, Efficiency = 25 %
- Energy wasted = 750 kJ, Efficiency = 25 %
MCQ 78: When a rubber band is compressed, type of energy possessed by the rubber is
- Potential Energy
- Thermal Energy
- Kinetic Energy
- Sound Energy
MCQ 79: From the physics point of view, work is being done by
- A man carrying a heavy pile of books in a stationary position
- A boy rote learning for his physics exam
- A girl working on her Math homework
- None of them
MCQ 80: A car of mass 1.5 tonnes travels at a constant speed of 40 km ⁄ h, calculate its kinetic energy in kJ.
- 9.259 kJ
- 92.59 kJ
- 925.9 kJ
- None of the above
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