Q. Tetragonal crystal system has the following unit cell dimensions

 66  161 NTA AbhyasNTA Abhyas 2022 Report Error

Solution:

In crystallography, the tetragonal crystal system is one of the 7 crystal systems.
Tetragonal crystal lattices result from stretching a cubic lattice along one of its lattice vectors, so that the cube becomes a rectangular prism with a square base a and height c, which is different from a.