Q. In octahedral holes (voids)
A) a bi-triangular void surrounded by six spheres
B) a bi-triangular void surrounded by four spheres
C) a bi-triangular void surrounded by eight spheres
D) a simple triangular void surrounded by four spheres
Explanation
(a)
The interstitial void formed by the combination of two triangular voids of the first and second layer is called octahedral void because this is enclosed between six spheres, centres of which occupy corners of a regular octahedron
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Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.