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Packing Fraction and Efficiency

An element cr...

Question

An element crystallises in a bcc lattice. Nearest neighbours and percentage of volume occupied by spheres in the unit cell are :

A

8, 74 %

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B

8, 68 %

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C

6, 74 %

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D

6, 68 %

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Solution

The correct option is B $8, 68 %$
There are $8$ nearest neighbours in BCC. Percentage of volume occupied by spheres in the unit cell of BCC is $68 %$ .

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