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Q114 / 150 · MHT CET 2020 (20 Oct Shift 1) · Physics

Q245 / 298 · MHT CET 2020 (20 Oct Shift 1) · Physics · Semiconductors · Special purpose diodes

In light emitting diode (LED), light is given out due to

  • A
    drifting of electrons.
  • B
    diffusion of holes.
  • Correct answer
    C
    recombination of holes and electrons.
  • D
    emission of holes and electrons.

Hence, the correct answer is option: 'C'.

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