Question

.The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480 nm is incident on it. The badn gap (in eV) for the semiconductor is[1997-1 mark]
a) 0.9   b) 0.7    c) 0.5    d) 1.1​

Answer 1

0.5

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 2480nm is incident on it. The band gap in (eV) for the semiconductor is. =0.5eV.

Answer 2

Answer:

$\huge\underline\bold\red{AnswEr}$

option C . 0.5 is cørréçt option