Question

In fcc structure, octahedral sites are present at :

• A. edge centers
• B. face centers
• C. body centers
• D. corners

Answer 1

Answer: (A), (C)

The correct options are
A body centers
C edge centers

REF.Image(1)

octahedral void (at the edge)

($\frac{1}{4}$th part of octahedral void is obtained at each edge

REF.Image(2)

octahedral void (at the body center)