Class 9 Online Courses

Chapter 9: Class 9 Physics Exam Tests

Class 9 Physics MCQs - Chapter 9

Work and Energy MCQ with Answers PDF Download - 4

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Class 9 Physics: Work and Energy MCQ Questions PDF Download

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

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

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

A) 360 J
B) 270 J
C) 250 J
D) 290 J

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

A) power
B) energy conversion
C) pollution
D) none of above

MCQ: The interconversion of matter and energy is predicted by

A) Newton
B) Einstein
C) Jobst Burgi
D) Abu Jafar

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

A) kinetic energy
B) potential energy
C) chemical energy
D) geothermal energy

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