1.

In a monoclinic unit cell the relation of sides and angles are respectivelyA. `a ne b ne c, alpha = gamma = 90^(@), beta ne 90^(@)`.B. `a = b = c, alpha = beta = gamma = 90^(@)`C. `a = b = c, alpha = beta = 90^(@), gamma =120^(@)`D. `a ne b = c, alpha = beta = gamma = 120^(@)`

Answer» Correct Answer - A
For monoclinic crystal, `a ne b ne c, alpha = gamma = 90^(@), beta ne 90^(@)`.


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