Class 9 Online Courses

Chapter 9: Class 9 Physics Exam Tests

Class 9 Physics MCQs - Chapter 9

Work and Energy Multiple Choice Questions PDF Download - 9

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Work and Energy Questions & Answers PDF Download: MCQ Quiz 9

MCQ 41: Kinetic energy is the energy possessed by a body due to its

A) position
B) nature
C) motion
D) mass

MCQ 42: The energy that causes water to evaporate from the surface to form water vapors is known as

A) electrical energy
B) thermal energy
C) chemical energy
D) heat energy

MCQ 43: (a required form of output/total input energy)×100 is equal to

A) % power
B) % efficiency
C) % stress
D) % strain

MCQ 44: Fossil fuels are usually

A) ethanol
B) mercuries
C) potassium nitrate
D) hydrocarbons

MCQ 45: The efficiency of the cyclist when he does 12 J of useful work from every 100 J of food energy he takes is

A) 0.13
B) 0.14
C) 0.12
D) 0.15

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9th Grade Physics App (Android & iOS)

9th Grade Physics App (Android & iOS)

SAT Physics App (Android & iOS)

SAT Physics App (Android & iOS)

O Level Physics App (Android & iOS)

O Level Physics App (Android & iOS)