Q. What is the number of tetrahedral voids per atom in a crystal?

A) 1
B) 2
C) 6
D) 8
Explanation

(b)
In the close packing of $‘n’$ atoms, the number of tetrahedral voids are $‘2n’$. Hence, their number per atom is 2.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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