Q. For a crystal system, $a = b = c,\ \alpha = \beta = \gamma \neq 90{^\circ}$, the system is
A) Tetragonal system
B) Cubic system
C) Orthorhombic system
D) Rhombohedral system
Explanation
(d) For tetragonal, cubic and orthorhombic system $\alpha = \beta = \gamma = 90{^\circ}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.