Learn Physics Online Notes & Technology Articles

Radio Waves MCQs Quiz Online Tests pdf Download

Practice MCQs on radio waves, physics MCQs for online test prep. Communication systems quiz has multiple choice questions (MCQ), radio waves quiz questions and answers as as compared to sound waves frequency of radio waves is, answer key with choices as lower, higher, equal and may be higher or lower for competitive exam prep. Free study guide is to learn radio waves quiz online with MCQs to practice test questions with answers.

MCQs on Radio Waves Quiz pdf Download

MCQ. As compared to sound waves frequency of radio waves is

  1. lower
  2. higher
  3. equal
  4. may be higher or lower

B

MCQ. If frequency of modulated wave is less than frequency of carrier wave, then input signal is

  1. negative
  2. positive
  3. zero
  4. infinite

A

MCQ. At end of communication system, signal is converted from radio to

  1. sound
  2. mechanical energy
  3. kinetic energy
  4. potential energy

A

MCQ. Amplitude of modulated wave is in phase with

  1. output
  2. system
  3. frequency
  4. signal

D

MCQ. Variation in amplitude or frequency of carrier wave is called

  1. amplitude modulation
  2. frequency modulation
  3. modulation
  4. bandwidth

C


DMCA.com Protection Status