Multiple choice general knowledge

what kind of semiconductor material used in fabricating LED?

  1. AlGaP

  2. GaAsAl

  3. InPAs

  4. GaAsP
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D Correct answer
Explanation

GaAsP (Gallium Arsenide Phosphide) is a semiconductor material used in LED fabrication, particularly for red to yellow LEDs. The other options - AlGaP, GaAsAl, and InPAs - are not standard LED materials in common use.

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