- #1
diegoarmando
- 16
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Question: A light-emitting diode (LED) made of the semiconductor GaAsP gives off red light [tex] \lambda [/tex]=650nm. what is the band gap for this semiconductor?
I know the E=hc/[tex] \lambda [/tex]
so it means the band gap is 1240/650=1.9 ev ??
I know the E=hc/[tex] \lambda [/tex]
so it means the band gap is 1240/650=1.9 ev ??