An element has a face-centred cubic (fcc) structure with a cell edge of a. The distance between the centres of two nearest tetrahedral voids in the lattice is :
a)
a
b)
c)
a
d)
a
a)
a
b)
c)
a
d)
a
Question ID - 56358 | SaraNextGen Top Answer An element has a face-centred cubic (fcc) structure with a cell edge of a. The distance between the centres of two nearest tetrahedral voids in the lattice is :
a)
a
b)
c)
a
d)
a
An element has a face-centred cubic (fcc) structure with a cell edge of a. The distance between the centres of two nearest tetrahedral voids in the lattice is :
|
a) |
|
b) |
|
|
c) |
a |
d) |
|
1 Answer
127 votes
Answer Key / Explanation : (b) -
In FCC, tetrahedral voids are located on the body diagonal at a distance of 
from the
corner. Together they form a smaller cube of edge length 
127 votes
Answer Link
127