Match the following:
The correct answer is

$(\mathrm{A} \rightarrow \mathrm{V}) \mathrm{ABC}-\mathrm{ABC}$ layers are present in silver. $(\mathbf{B} \rightarrow \mathbf{I I})$ Any deviation from the perfectly ordered arrangement constitutes a defect or imperfection. These defects sometimes called thermodynamic defect because the number of defects depends on temperature. $(\mathbf{C} \rightarrow \mathbf{I})$ F-centre or colour centre (from the original German farbzentrum, where farbe means colour and zentrum means centre) is a type of crystallographic defect in which an anionic vacancy in a crystal lattice is occupied by one or more unpaired electrons. $(\mathbf{D} \rightarrow$ II) X-ray films exposed in powder diffraction camera. (Debye-Scherrer method). Thus, option (1) is correct.