A light emitting diode (L.E.D.) can be made from:

A light emitting diode (L.E.D.) can be made from:
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A light emitting diode (L.E.D.) can be made from: Gallium arsenide

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Answer :

A light emitting diode can be made from special compounds of gallium. example- gallium arsenide.
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Answer :

Different compound use to get various colors Ex:-  GaAs (gallium arsenide) > infared
GaAsP (gallium arsenide phosphide) > Red, gallium(III) phosphide > green,
InGaN (Indium gallium nitride) > Blue
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