TS EAMCET 19-July-2022 Shift 2 Solved Paper

The length of body diagonal in FCC lattice
‌=√3a
x‌=√3a
‌

x

√3

‌=a .....(i)
The distance between two octahedral void is the distance between an edge-center and body center which is √(‌

a

2

)2+(‌

a

2

)2=‌

a

√2

From Eq. (i) a=‌

x

√3

∴ Distance between two octahedral voids
=‌

x

√3×√2

=‌

x

√6