Work and Energy Multiple Choice Questions and Answers 15 Download PDF

Multiple Choice Questions (MCQ) on work and energy quiz answers PDF, physics test 15 for online degree courses. Practice "Efficiency" MCQs, work and energy quiz questions and answers for school certificate. Learn physics: efficiency, forms of energy, kinetic energy, power test prep for free online classes.

"A system which gives an output equal to the total energy used by it is called" Multiple Choice Questions (MCQ) on work and energy with choices non-ideal system, negative system, ideal system, and slow system for school certificate. Free physics study guide for online learning efficiency quiz questions for online school courses.

Work and Energy MCQs Quiz 15 Download PDF

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

C

MCQ: The main source of heat is

  1. moon
  2. stars
  3. sun
  4. Mars

C

MCQ: Kinetic energy with mass ‘m’ and velocity ‘v’ is

  1. 2 mv²
  2. 1/2 mv
  3. 2m⁄v²
  4. 1/2 mv²

D

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

A

MCQ: The SI unit of power is

  1. joules
  2. newton
  3. watt
  4. omega

C