NEET Chemistry The Solid State Questions Solved

The fraction of total volume occupied  by the atoms present in a simple cube is:

$$\begin{gathered} \left(\mathrm{a}\right) \mathrm{\pi }/6 \left(\mathrm{b}\right) \mathrm{\pi }/3\sqrt{2} \\ \left(\mathrm{c}\right) \mathrm{\pi }/4\sqrt{2} \left(\mathrm{d}\right) \mathrm{\pi }/4 \end{gathered}$$