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Physics: Efficiency MCQ Questions with Answers PDF Download eBook

Physics efficiency Multiple Choice Questions (MCQ) to solve physics efficiency quiz answers PDF worksheet, 9th grade physics test for online courses. Practice work and energy Multiple Choice Questions and Answers (MCQs), Physics Efficiency quiz questions PDF for online school courses. "Physics Efficiency MCQ" PDF book: forms of energy, interconversion of energy, potential energy, physics practice questions, 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 natural radioactivity with choices % power, % efficiency, % stress, and % strain for online school courses. Solve work and energy quiz questions for online certificate programs for online certificate courses.

MCQs on Physics Efficiency PDF Download eBook

MCQ: (a required form of output/total input energy)×100 is equal to

  1. % power
  2. % efficiency
  3. % stress
  4. % strain


MCQ: An body builder does 15 Joules of useful work from every 60 Joules of food energy which he takes. His efficiency will be

  1. 0.15
  2. 0.25
  3. 0.3
  4. 0.35


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

  1. less than the given energy
  2. equal to the given energy
  3. greater than the given energy
  4. none of above


MCQ: A system which gives an output equal to the total energy used by it is called

  1. negative system
  2. non-ideal system
  3. ideal system
  4. slow system


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

  1. efficiency
  2. power
  3. stress
  4. strain