The Solid State Ques 40
40. For orthorhombic system, axial ratios are $a \neq b \neq c$ and the axial angles are
[1991]
(a) $\alpha=\beta=\gamma \neq 90^{\circ}$
(b) $\alpha=\beta=\gamma=90^{\circ}$
(c) $\alpha=\gamma=90^{\circ}, \beta \neq 90^{\circ}$
(d) $\alpha \neq \beta \neq \gamma=90^{\circ}$
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Answer:
Correct Answer: 40.(b)
Solution:
(b) For orthorhombic system $\alpha=\beta=\gamma=90^{\circ}$
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