For LED's to emit light in visible region of electromagnetic light, it – McqOptions

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1.	For LED's to emit light in visible region of electromagnetic light, it should have energy band gap in the range of:
A.	\[0.1\,eV\] to \[0.4\,eV\]
B.	\[0.5\,eV\] to \[0.8\,eV\]
C.	\[0.9\,eV\] to \[1.6\,eV\]
D.	\[1.7\,eV\] to \[3.0\,eV\]
Answer» E.

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