If `a` is the length of unit cell, then which one is correct relationship ?

Options

A. For simple cubic lattice, Radius of metal atom `=a/2`
B. For bcc lattice, Radius of metal atom `=(sqrt(3)a)/(4)`
C. For fcc lattice, Radius of metal atom `=(a)/(2sqrt(2))`
D. All of these.

Answer

D