Radio Waves MCQs Quiz Online PDF Download

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MCQs on Radio WavesQuiz 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


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


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

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


MCQ: Amplitude of modulated wave is in phase with

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


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

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