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Voids

Shortest dist...

Question

Shortest distance between two octahedral voids is:

A

\frac{a}{2}

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B

\frac{a}{\sqrt{2}}

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C

\frac{a \sqrt{3}}{2}

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D

a \sqrt{3}

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Solution

The correct option is A $\frac{a}{\sqrt{2}}$
Octahedral voids are present at edge centers and body centre.
Shortest distance between them is $\frac{a}{\sqrt{2}}$ .

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