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# Efficiency: O Level Physics Quiz Questions Online p. 10

Learn Efficiency O Level Physics quiz questions and answers, efficiency o level physics MCQ with answers PDF 10 to study O Level Physics course online. Energy, Work and Power trivia questions, efficiency o level physics Multiple Choice Questions (MCQ) for online college degrees. "Efficiency: O Level Physics Quiz" PDF Book: heat capacity: physics, introduction to sound, condensation: o level physics, density: o level physics, efficiency: o level physics test prep for GRE subject tests.

"In a typical power station, amid a series of energy transfers and conversions, about 70% of the energy input gets wasted in the form of thermal energy, the efficiency of such a power station is about" MCQ PDF: 0.4, 0.3, 0.7, and 1 for ACT subject tests. Study energy, work and power questions and answers to improve problem solving skills for online bachelor degree programs.

## Quiz on Efficiency: O Level Physics MCQs

MCQ: In a typical power station, amid a series of energy transfers and conversions, about 70% of the energy input gets wasted in the form of thermal energy, the efficiency of such a power station is about

0.3
0.4
0.7
1

MCQ: Mass of oil is 11040 kg and the volume is 12 m³, its density would be

92 kg m-3
920 kg m-3
9.2 kg m-3
1.08 × 10-3

MCQ: When the state is being changed from gas to liquid through the process of condensation, the temperature

increases
decreases
remains constant
may increase or decrease

MCQ: Sound passes from one place to another in the form of

rays
waves
energy
light

MCQ: If a cup of tea at 50 °C is allowed to cool to room temperature, heat released would be (assume room temperature to be equal to 25 °C and heat capacity of the cup and tea to be = 5.0 kJ ⁄ K)

25 kJ
50 kJ
125 kJ
250 kJ

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