The relationship between the radius (r) of the atom and the edge length $(a)$ of the cubic close packing…

The relationship between the radius (r) of the atom and the edge length $(a)$ of the cubic close packing structure is:
  1. $\mathrm{r}=\frac{\sqrt{3}}{4} a$
  2. $\mathrm{r}=\frac{a}{2 \sqrt{2}}$
  3. $\mathrm{r}=\frac{a}{\sqrt{2}}$
  4. $\mathrm{r}=\frac{a}{2 \sqrt{3}}$

Solution

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Asked in: AP EAMCET 2017 (25 Apr Shift 2)

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