Work and Energy Multiple Choice Questions 15 PDF Download

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Physics multiple choice questions (MCQ) on system which gives an output equal to total energy used by it is called with options non-ideal system, negative system, ideal system and slow system, physics efficiency quiz for competitive exam prep, viva interview questions with answers key. Free physics study guide to learn physics efficiency quiz to attempt multiple choice questions based test.

MCQs on Work and Energy Quiz PDF Download Worksheets 15

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

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

C

MCQ. 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. Ratio of required form of energy obtained from a system as output to total energy given to it as input is called its

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

A

MCQ. SI unit of power is

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

C