Class 9 Physics Competitive Exam MCQs – Practice Test 13 (Chapter 9)

Work and Energy MCQs with Answers PDF Download – Test 13

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Work and Energy MCQs – Practice Test 13 PDF Download

MCQ 61: If a stone of mass 500 g strikes the ground with velocity of 20 ms^-1 then kinetic energy at that point is:

10 J
40 J
75 J
100 J

MCQ 62: The capacity of a body to do work is called:

energy
work load
kinetic energy
potential energy

MCQ 63: The relation between mass ‘m’, speed of light ‘c’ and energy ‘E’ can be written as:

E = m + c
E = m - c
E = m c²
E = m c

MCQ 64: If some energy given to a system, then energy in the required form obtained is always:

less than the given energy
equal to the given energy
greater than the given energy
none of above

MCQ 65: In the process of rubbing hands, mechanical energy is converted into:

sound energy
electrical energy
thermal energy
heat energy

Work and Energy MCQs App & e-Book – Class 9 Physics Competitive Exam

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