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Calculate the number of tetrahedral void...

Calculate the number of tetrahedral voids in the unit cell of a face-centred cubic lattice of similar atoms.

A

4

B

6

C

8

D

10

Text Solution

Verified by Experts

The correct Answer is:
C
Fcc unit cell contains 8 tetrahedral voids at centre of each 8 smaller cube of an unit cell as shown below:

Number of atoms in fcc unit cell = 4
Number of octahedral voids = 4
Number of tetrahedral voids = 8
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