Question

Select One Option correct from the following: The electrical conductivity of a semiconductor increases when electromagnetic radiation of 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 1

The electrical conductivity of a semiconductor increases when electromagnetic radiation of 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.