Physics: Efficiency MCQs Quiz Online PDF Download
Physics efficiency Multiple Choice Questions (MCQ), physics efficiency quiz answers PDF to practice grade 9 physics test for online school programs. Learn work and energy Multiple Choice Questions and Answers (MCQs), "Physics Efficiency" quiz questions and answers for online school courses. Learn physics learning, physics: sources of energy, physics: work, forms of energy, physics: efficiency test prep for online secondary school classes.
"(a required form of output/total input energy)×100 is equal to" Multiple Choice Questions (MCQ) on physics for class 10 with choices % power, % efficiency, % stress, and % strain for online school courses. Free physics student portal for online learning work and energy quiz questions for online certificate courses.
MCQs on Physics Efficiency PDF Download
MCQ: (a required form of output/total input energy)×100 is equal to
- % power
- % efficiency
- % stress
- % strain
B
MCQ: An body builder does 15 Joules of useful work from every 60 Joules of food energy which he takes. His efficiency will be
- 0.15
- 0.25
- 0.3
- 0.35
B
MCQ: 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
A
MCQ: A system which gives an output equal to the total energy used by it is called
- negative system
- non-ideal system
- ideal system
- slow system
C
MCQ: The ratio of required form of energy obtained from a system as output to the total energy given to it as input is called its
- efficiency
- power
- stress
- strain
A