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Light Emitting Diode

In LED visibl...

Question

In LED visible light is produced by

A

Gallium phosphide

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B

Gallium arsenide

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C

Germanium phosphide

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D

Silicon phosphide

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Solution

The correct option is B Gallium arsenide
In materials like gallium arsenide the number of photons of light energy is sufficient to produce quite intense visible light.

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