WBJEE · Chemistry · Solid State
The number of atoms in body centred and face centred cubic unit cell respectively are
- A 2 and 4
- B 4 and 3
- C 1 and 2
- D 4 and 6
Answer & Solution
Correct Answer
(A) 2 and 4
Step-by-step Solution
Detailed explanation
\(Z_{\mathrm{BCC}}=\frac{1}{8} \times 8+1=2 \quad Z_{\mathrm{FCC}}=\frac{1}{8} \times 8+\frac{1}{2} \times 6=1+3=4\)
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