The electrical conductivity of a semiconductor increase when electromagnetic radiation of a wavelength shorter than 2480 nm is incident on it. The band gap (in eV) for the semiconductor is-
A. 0.9
B. 0.7
C. 0.5
D. 1.1.
Answer:C
The electrical conductivity of a semiconductor increase when electromagnetic radiation of a wavelength shorter than 2480 nm is incident on it. The band gap (in eV) for the semiconductor is-
A. 0.9 B. 0.7 C. 0.5 D. 1.1.