Q. The Fermi level of an intrinsic semiconductor is pinned at the centre of the band gap. The probability of occupation of the highest electron state in valence band at room temperature, will be

A) Zero
B) Between zero half
C) Half
D) One
Explanation

(c) The probability of occupation of the highest electron state in valence band at room temperature becomes half according to Fermi distribution.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.