Question

A face-centred cubic lattice of a single type of atoms has
same defects and its one corner and one face centre is left
unoccupied per unit cell. Calculate the packing fraction
of such solid.
(a) 0.325 (b) 0.256 (c) 0.625 (d) 0.312
​

Answer 1

Answer:

0.256

Explanation:

what what is per unit cell

Answer 2

Answer:

b) 0.256 is correct.

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