Solid StateHard
Question
The correct information regarding a solid element (atomic radius = r) having ABCABC…. type packing (FCC unit cell edge length = a) is
Options
A.the distance between nearest octahedral and tetrahedral void is $\frac{\sqrt{3}a}{4}$.
B.the distance between two nearest octahedral void is $\frac{a}{\sqrt{2}}$.
C.the distance between two nearest tetrahedral void is $\frac{\sqrt{3}a}{2}$.
D.the distance between successive A and B layers is $2r.\sqrt{\frac{2}{3}}$.
Solution
Shortest distance between two T.V. is (a/2).
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