In face-centred cubic unit cell :

Arrange simple, body-centred and face-centred cubic unit cells in increasing order of their packing efficiencies.

In a face - centred cubic unit cell , the edge length is _______.

The number of atoms in a face centred cubic unit cell is:

The number of atoms in a face centred cubic unit cell is:

The number of atoms in a face centred cubic unit cell is:

In a face- centred cubic unit cell, the edge length is