Infrared MCQs Quiz Online PDF Download

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MCQs on InfraredQuiz PDF Download

MCQ: Infrared signals can be used for

  1. long-range communication
  2. short-range communication
  3. both
  4. none


MCQ: Infrared waves, that can be used for short range communication have frequencies between

  1. 300 GHz to 700 THz
  2. 300 GHz to 800 THz
  3. 300 GHz to 100 THz
  4. 300 GHz to 400 THz


MCQ: Omni directional waves are propagated in

  1. one direction
  2. all directions
  3. depends on situation
  4. both a and c