LASER Diode MCQs Questions and Answers PDF Book Download

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MCQ on LASER Diode Quiz Book Download

MCQ: Light which has one singlewavelength is called

  1. coherent
  2. incoherent
  3. neutral
  4. emitter

A

MCQ: Active region of laser diode is present in

  1. n region
  2. intrinsic region
  3. p region
  4. conduction region

B

MCQ: Laser diode has

  1. coherent light
  2. incoherent light
  3. radio light
  4. microwave light

A

MCQ: First LASER diode was operated in

  1. 1950s
  2. 1960s
  3. 1970s
  4. 1980s

B

MCQ: Light which has a wide band ofwavelength is called

  1. coherent
  2. incoherent
  3. infrared
  4. microwave

B