Question

Match the crystal systems/unit cells listed in list I with their characteristic features in list II.

Answer 1

(A) Simple cubic and face-centered cubic belong to the same crystal system and have all edge lengths equal, $a=b=c$ and all angles equal, $\alpha =\beta =\gamma ={90}^o$.
(B) Cubic and rhombohedral are two crystal systems where all the edges are equal, $a=b=c$ and all the angles are equal, $\alpha =\beta =\gamma$.
(C) Cubic and tetragonal are two crystal systems.
(D) Hexagonal and monoclinic are two crystal systems and only two crystallographic angles are equal to ${90}^0$.