A semiconductor has an energy gap of 2.5 eV. What is the longest wavelength light of those listed below that will promote valence electrons into the conduction band?
A)450 nm
B)525 nm
C)600 nm
D)725 nm
E)350 nm

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The Answer of A semiconductor has an energy gap of 2.5 eV. What is the longest wavelength light of those listed below that will promote valence electrons into the conduction band?
A)450 nm
B)525 nm
C)600 nm
D)725 nm
E)350 nm

A Semiconductor Has an Energy Gap of 2