A) \[\frac{1}{2}a:\sqrt{3}a:\frac{1}{\sqrt{2}}a\]
B) \[\frac{1}{2}a:\frac{\sqrt{3}}{2}a:\frac{\sqrt{2}}{2}a\]
C) \[\frac{1}{2}a:\sqrt{3}a:\sqrt{2}a\]
D) \[\frac{1}{2}a:\frac{\sqrt{3}}{4}a:\frac{1}{2\sqrt{2}}a\]
Correct Answer: D
Solution :
For simple cubic: \[r=\frac{a}{2}\] For bcc \[r=\frac{\sqrt{3}a}{4}\] For fcc \[r=\frac{a}{2\sqrt{2}}\] So, sc: bcc: fcc \[\frac{a}{2}:\frac{\sqrt{3}a}{4}:\frac{a}{2\sqrt{2}}\]You need to login to perform this action.
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