Solid State

Question

The correct relationships between unit cell edge length '…' and radius of sphere '…' for face-centred and body-centred cubic structures respectively are :

Accepted Answer

Option D. In a face-centered cubic (FCC) unit cell, atoms are present at the corners as well as at the centers of the faces. Hence, the diagonal of the face of the unit cell is equal to 4 times the radius of an atom.

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Solid State

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