1.

Monoclinic crystal has dimension

Answer»

`a NE b ne c , alpha ne beta ne gamma 90^(@)`
`a=b ne c , alpha = beta= gamma = 90^(@)`
`a=b=c,alpha = beta=gamma =90^(@)`
`a ne b ne c , alpha = gamma = 90^(@) , beta ne 90^(@)`

SOLUTION :For monoclinic crystals axial RATIOS are not EQUAL i.e., `a ne b ne c` and axial angle `alpha = gamma = 90^(@) ne beta`.


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