Efficiency o level physics quiz questions, efficiency o level physics MCQs answers, IGCSE physics quiz 10 to learn physics online courses. Energy, work and power quiz questions, efficiency o level physics multiple choice questions (MCQs) to practice physics test with answers for online colleges and universities courses. Learn efficiency: o level physics MCQs, introduction to sound, condensation: o level physics, density: o level physics, efficiency: o level physics test prep for physics certifications.

Learn efficiency o level physics test with multiple choice question (MCQs): in a typical power station, amid a series of energy transfers and conversions, about 70% of energy input gets wasted in form of thermal energy, efficiency of such a power station is about, with choices 0.3, 0.4, 0.7, and 1 for online college degrees. Learn energy, work and power questions and answers for problem-solving, merit scholarships assessment test. Efficiency: O Level Physics Video

Efficiency: O Level Physics Quiz

MCQ: In a typical power station, amid a series of energy transfers and conversions, about 70% of energy input gets wasted in form of thermal energy, 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 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 state is being changed from gas to liquid through process of condensation, 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 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 cup and tea to be = 5.0 kJ ⁄ K)

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

C