Question
Physics Question on band theory of solids
The forbidden energy gaps in conductors, semiconductors and insulators are (Eg)c, (Eg)s and (Eg)1 respectively. What is the relation among them ?
A
(Eg)c < (Eg)s < (Eg)t
B
(Eg)c > (Eg)s > (Eg)t
C
(Eg)c < (Eg)s > (Eg)t
D
(Eg)c = (Eg)s > (Eg)t
Answer
(Eg)c < (Eg)s < (Eg)t
Explanation
Solution
The correct option is (A): (Eg)c < (Eg)s < (Eg)t