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Efficiency: O Level Physics Quiz Questions and Answers PDF Download eBook

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"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. Learn energy, work and power questions and answers to improve problem solving skills for online bachelor degree programs. Efficiency: O Level Physics Video

Quiz on Efficiency: O Level Physics PDF Download eBook

Efficiency: O Level Physics Quiz

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

  1. 0.3
  2. 0.4
  3. 0.7
  4. 1

A

Density: O Level Physics Quiz

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

  1. 92 kg m-3
  2. 920 kg m-3
  3. 9.2 kg m-3
  4. 1.08 × 10-3

B

Condensation: O Level Physics Quiz

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

  1. increases
  2. decreases
  3. remains constant
  4. may increase or decrease

C

Introduction to Sound Quiz

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

  1. rays
  2. waves
  3. energy
  4. light

B

Heat Capacity: Physics Quiz

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)

  1. 25 kJ
  2. 50 kJ
  3. 125 kJ
  4. 250 kJ

C