Class 9 Physics Exam MCQs – Practice Test 4 (Chapter 9)

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Work and Energy MCQs – Practice Test 4 PDF Download

MCQ 16: The energy obtained from electric cells and batteries as a result of a chemical reaction is called:

chemical energy
nuclear energy
heat energy
electrical energy

MCQ 17: Anna carries a 12 kg bag upstairs to a height of 15 steps. The amount of work she has done is:

360 J
270 J
250 J
290 J

MCQ 18: The change in the quality of the environment that can be harmful to living things is called:

power
energy conversion
pollution
none of above

MCQ 19: The interconversion of matter and energy is predicted by:

Newton
Einstein
Jobst Burgi
Abu Jafar

MCQ 20: When a body is lifted through a height h, the work done on it appears in the form of its:

kinetic energy
potential energy
chemical energy
geothermal energy

Work and Energy Exam Prep – Class 9 Physics Notes App & e-Book

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