Class 9 Physics MCQs - Chapter 9

Work and Energy Quiz Questions and Answers PDF - 19

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Work and Energy Questions & Answers PDF Download: MCQ Quiz 19

MCQ 91: An electric lamp produces

A) light energy only

B) heat energy only

C) chemical energy

D) light and heat energy

MCQ 92: If a pump can lift 80 kg of water through a vertical height of 20 meters in 25 seconds. Then the power of the pump is

A) 350 watts

B) 400 watts

C) 640 watts

D) 500 watts

MCQ 93: The potential energy stored in a body of mass 50 kg when it raised to height of 3 m is

A) 500 J

B) 1000 J

C) 1500 J

D) 100 J

MCQ 94: The water stored in damns is used for irrigation and also to generate

A) heat energy

B) electrical energy

C) thermal energy

D) chemical energy

MCQ 95: A nuclear power plant uses the energy released in nuclear reactor to generate electric power is called

A) fission

B) friction

C) hydrogen

D) mercury

Class 9 Physics Mock Tests

Transfer of Heat MCQs

Thermal Properties of Matter MCQs

Matter Properties MCQs

Physical Quantities and Measurement MCQs

Kinematics MCQs

Dynamics MCQs

Turning Effect of Forces MCQs

Work and Energy MCQs

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