Q. A material has $N$ atom in its crystal structure which is a hexagonal close packed. Then the number of electronic states in a band is
A) $N$
B) 2 $N$
C) $4\ N$
D) 6 $N$
Explanation
The correct answer is Option B: 2 $N$.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.