Class 9 Physics MCQs - Chapter 9

Work and Energy Quiz Questions & Answers PDF Download - 19

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The Quiz: An electric lamp produces; "Work and Energy" App (iOS, Android) with answers: Heat energy only; Light energy only; Chemical energy; Light and heat energy; to learn distance learning courses. Study Physics Sources of Energy MCQ Questions, download Amazon eBook (Free Sample) for distance learning.

Work and Energy Exam Questions and Answers PDF Download: Test 19

MCQ 91:

An electric lamp produces

light energy only
heat energy only
chemical energy
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

350 watts
400 watts
640 watts
500 watts

MCQ 93:

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

500 J
1000 J
1500 J
100 J

MCQ 94:

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

heat energy
electrical energy
thermal energy
chemical energy

MCQ 95:

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

fission
friction
hydrogen
mercury

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