Q238
Which one of the following statements is correct in respect of the use of Direct Gap (DG) and Indirect Gap (IG) semiconductors in fabrication of Light Emitting diode?
A.
Both DG and IG semiconductors are suitable
B.
Only DG semiconductor is suitable
AnswerC.
DG semiconductor is suitable and some IG materials having proper dopants are also used
D.
Only IG semiconductors are suitable
Answer: Option B
Solution
Answer: Option B
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