Class 9 Online Courses

Chapter 9: Class 9 Physics Exam Tests

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

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