Class 9 Physics MCQs - Chapter 9

Work and Energy MCQ (Multiple Choice Questions) PDF - 6

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Free Work and energy Multiple Choice Questions (MCQs), Work and Energy MCQs with Answers PDF download, e-Book Ch. 9-6 to learn class 9 physics online courses. Study Kinetic energy Multiple Choice Questions and Answers (MCQs) PDF, work and energy quiz questions and answers to study online courses. The Work and Energy MCQ App Download: Free educational app for kinetic energy, forms of energy, physics practice questions, efficiency, work and energy test prep for online study.

The MCQs: If the kinetic energy of a body of mass 2 kg is 25 J. Its speed is; "Work and Energy" App Download Android & iOS (Free) with answers 15 ms^-1, 25 ms^-1, 5 ms^-1 and 2.5 ms^-1 to study online courses. Practice kinetic energy quiz questions, download Apple Book (Free Sample) for secondary school graduation certificate.

Work and Energy Questions & Answers PDF Download: MCQ Quiz 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

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