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Question

The total number of atoms per unit cell in fcc is:
  1. 1
  2. 2
  3. 3
  4. 4

A
2
B
1
C
3
D
4
Solution
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The correct option is D 4
Fcc is face centred cubic packing. Atoms are present at the corners and face centre.
Total no. of atoms in fcc =8×18+6×12=4

Option D is correct.

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