Class 9 Physics MCQs – Practice Test 6 (Chapter 9)

Work and Energy MCQ with Answers PDF – Test 6

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The "Work and Energy MCQ" App Download (Android & iOS): Vibrating diaphragm of a drum in the form of; MCQ with answers: sound energy, kinetic energy, chemical energy, and nuclear energy. Practice Kinetic energy MCQ Questions, download Apple Book (Free Chapter) to master wave physics.

Work and Energy MCQ PDF Download – Test 6

MCQ 26: If the kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

25 ms^-1
15 ms^-1
5 ms^-1
2.5 ms^-1

MCQ 27: The vibrating diaphragm of a drum in the form of:

kinetic energy
sound energy
chemical energy
nuclear energy

MCQ 28: The value of the speed of light is:

3 × 10⁵ ms^-1
5 × 10⁵ ms^-1
3 × 10⁹ ms^-1
3 × 10⁸ ms^-1

MCQ 29: The efficiency of a solar cell is:

0.8
0.35
0.55
0.03

MCQ 30: During interconversion of energy the total energy:

remains constant
increases
decreases
becomes zero

Work and Energy MCQ App & e-Book – Class 9 Physics Entrance Exam

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