An energy gap between the valence band and the conduction band is 3.5 eV in a particular solid. The maximum wavelength of a photon that can excite a transition from the top of the valence band to the conduction band is
A) 68 nm.
B) 125 nm.
C) 255 nm.
D) 354 nm.

Question

Quizplus · Accepted Answer

The Answer of An energy gap between the valence band and the conduction band is 3.5 eV in a particular solid. The maximum wavelength of a photon that can excite a transition from the top of the valence band to the conduction band is
A) 68 nm.
B) 125 nm.
C) 255 nm.
D) 354 nm.

An Energy Gap Between the Valence Band and the Conduction