MHT CET · Physics · Semiconductors
In LED visible light is produced by
- A gallium phosphide
- B gallium arsenide
- C germanium phosphide
- D silicon phosphide
Answer & Solution
Correct Answer
(B) gallium arsenide
Step-by-step Solution
Detailed explanation
In materials like gallium arsenide the number of photons of light energy is sufficient to produce quite intense visible light.
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