Which formula is used to calculate edge length in bcc structure?

Which formula is used to calculate edge length in bcc structure?
  1. $a=\frac{\sqrt{3} r}{4}$
  2. $a=\frac{4}{\sqrt{3} r}$
  3. $a=\frac{\sqrt{3}}{4 r}$
  4. $a=\frac{4 r}{\sqrt{3}}$

Solution

$a=\frac{4 r}{\sqrt{3}}$ is used to calculate edge length in bcc structure.

Asked in: MHT CET 2023 (11 May Shift 1)

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