Question

Calculate the distance between two tetrahedral voids in ccp unit cell ?

• A. $\frac{a}{\sqrt{2}}$
• B. $\frac{a}{2}$
• C. $\sqrt{\frac{3a}{2}}$
• D. All of these

Answer 1

Answer: (D)

$AB=\frac{a}{\sqrt{2}},AD=\sqrt{2a},AC=a\sqrt{\frac{3}{2}}$