Tetragonal crystal system has the unit cell dimensions:

Options

A. `a = b = c " and " alpha = beta = gamma = 90^@`
B. `a = b = c " and " alpha = beta = gamma = 90^@`
C. `a ne b ne c " and " alpha = beta = gamma = 90^@`
D. `a = b ne c " and " alpha = beta = 90^@ , gamma = 120^@`

Answer

B

Explanation

Tetragonal system has the unit cell dimension
` a = b ne c , alpha = beta = gamma = 90^@`