Radiations and Applications MCQs Quiz Worksheet PDF Download

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Study high school courses, online physics degree programs MCQs: heat from fireplace reaches us directly in form of waves called, for online courses with choices convection, radiation, conduction, and fusion for daily quiz questions with online cognitive learning portal for students of class 9. Free physics student portal for online learning radiations and applications quiz questions, MCQs to find questions answers based online learning tests.

MCQs on Radiations and Applications Quiz PDF Download

MCQ: Heat from fireplace reaches us directly in form of waves called

  1. convection
  2. radiation
  3. conduction
  4. fusion

B

MCQ: Good radiators of heat among these are

  1. a shining silver surface
  2. a dull black surface
  3. a white surface
  4. a green colored surface

B

MCQ: White and polished surface reflects more heat than

  1. black surface
  2. polished surface
  3. both A and B
  4. black and rough surface

D

MCQ: When temperature of an object is lower than its surroundings then as compare to absorbing, it is radiating

  1. more heat
  2. less heat
  3. equal heat
  4. zero heat

B

MCQ: Mode of transfer of heat from one place to another in form of electromagnetic waves is called

  1. fusion
  2. convection
  3. radiation
  4. conduction

C