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Efficiency: O Level Physics Quiz Questions and Answers PDF p. 10

Practice Efficiency O Level Physics quiz questions and answers, efficiency o level physics MCQ with answers PDF 10 to solve O Level Physics mock tests for online college programs. Solve Energy, Work and Power trivia questions, efficiency o level physics Multiple Choice Questions (MCQ) for online college degrees. Efficiency: O Level Physics Quiz PDF: 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", efficiency o level physics Multiple Choice Questions (MCQ) with choices 0.4, 0.3, 0.7, and 1 for ACT subject tests. Practice energy, work and power questions and answers to improve problem solving skills for online bachelor degree programs.

Quiz on Efficiency: O Level Physics MCQs

1.

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

2.

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

3.

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

4.

Sound passes from one place to another in the form of

rays
waves
energy
light

5.

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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