The crystal system with edge lengths $a \neq b \neq c$ and axial angles $\alpha = \beta = \gamma = 90^{\circ}$ is '$x$' and the number of Bravais lattices for it is '$y$'. $x$ and $y$ are:
- ACubic; $3$
- BMonoclinic; $2$
- COrthorhombic; $4$
- DTrigonal; $2$
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Similar Questions
Match the crystal system/unit cells mentioned in Column $I$ with their characteristic features mentioned in Column $II$.
Column $I$ Column $II$ $(A)$ Simple cubic and face-centred cubic $(p)$ have these cell parameters $a=b=c$ and $\alpha=\beta=\gamma=90^{\circ}$ $(B)$ Cubic and rhombohedral $(q)$ are two crystal systems $(C)$ Cubic and tetragonal $(r)$ have only two crystallography angles of $90^{\circ}$ $(D)$ Hexagonal and monoclinic $(s)$ belong to same crystal system
| Column $I$ | Column $II$ |
| $(A)$ Simple cubic and face-centred cubic | $(p)$ have these cell parameters $a=b=c$ and $\alpha=\beta=\gamma=90^{\circ}$ |
| $(B)$ Cubic and rhombohedral | $(q)$ are two crystal systems |
| $(C)$ Cubic and tetragonal | $(r)$ have only two crystallography angles of $90^{\circ}$ |
| $(D)$ Hexagonal and monoclinic | $(s)$ belong to same crystal system |
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