If a is the length of the side of a cube, the distance between the body centred atom and one corner atom in the cube will be:

Options

A. `2/sqrt3 a`
B. `4/sqrt3 a`
C. `sqrt3/4 a`
D. `sqrt3/2 a`

Answer

D

Explanation

In bcc, 2 atoms are present . One atom lie at the centre of cube while , other lies at the body centre of the cube . Hence , the distance between the body centred and one corner atom is half of the body diagonal, i.e., `sqrt3/2a`