For a simple cubic crystal,the edge length is expressed as:
- A$a=2r$
- B$a=\frac{r}{2}$
- C$a=\frac{r}{4}$
- D$a=\frac{r}{\sqrt{2}}$
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Similar Questions
Which of the following is true for a cubic crystal system?
Easy
View SolutionMatch 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 |
DifficultIIT 2007
View SolutionDistinguish between
$(i)$ Hexagonal and monoclinic unit cells
$(ii)$ Face-centred and end-centred unit cells.
$(i)$ Hexagonal and monoclinic unit cells
$(ii)$ Face-centred and end-centred unit cells.
Medium
View SolutionWhich primitive unit cell has unequal edge length $(a \ne b \ne c)$ and all axial angles different from $90^{\circ}$?
Which of the following unit cell parameters represents the tetragonal crystal system?
Easy
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