A) 4, 8
B) 4.4
C) 8,4
D) 8,8
Correct Answer: C
Solution :
In ccp or fee structure Number of lattice points \[\text{(}Z\text{)}\,\text{=}\,4\] \[\because \]Number of octahedral voids = Number of lattice points \[\therefore \]Number of octahedral voids \[=4\] and Number of tetrahedral voids \[=2\times \]Number of octahedral voids \[\therefore \]number of tetrahedral voids \[=2\times 4=8\]
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