Multiple Choice
When a small amount of silver is added to zinc sulfide as an activator, the band gap of the resulting material is approximately 266 kJ/mol.If this material were used as a light-emitting diode, what color of light would be emitted?
A) ultraviolet
B) infrared
C) red
D) yellow
E) blue
Correct Answer:

Verified
Correct Answer:
Verified
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