In face centred cubic unit cell, what is the volume occupied?

Options

A. `4/3 pi r^(3)`
B. `8/3 pi r^(3)`
C. `16/3 pi r^(3)`
D. `(64 r^(3))/(3sqrt(3))`

Answer

C

Explanation

Volume occupied by face central cubic unit cells is `16/3 pi^(3)`.