An element has a face-centred cubic (fcc) structure with a cell edge of a. The distance between the centres of two nearest tetrahedral voids in the lattice is:

An element crystallises in a face -centred cubic (fcc) unit cell with cell edge a. The distance between the centre of two nearest octahedral voids in the crystal lattice is ::

The minimum distance between the centre of two octahedral voids in FCC lattice in terms of edge length is:

The distance between an ocatahral and tetrahedral void in fcc lattice would be:

An example of a face centred cubic lattice is

Platinum crystallize in a face-centred cubic crystal with a unite cell length a. the distance between nearest neighbours is:

Minimum distance between two tetrahedral voids if a is the edge length of the cube is

The total number of tetrahedral voids in the face centred unit cell is

Copper has a face - centred cubic structure with a unit - cell edge length of 3.61Å . What is the size of the largest atom which could fit into the intersectices of the copper lattice without distorting if ?

Aluminium metal has face centred cubic (f.c.c) structure. The number of 'Al' atoms per unit cell of the lattice is

A metal crystallize in a body centered cubic lattice (bcc) with the edge of the unit cell 5.2Å . The distance between the two nearest neighour is