Unit cell parameters are determined by which of the following parameters?
A
Double crystal Gamma rays graphs
B
Single crystal Gamma rays graphs
C
Double crystal X-ray photographs
D
Single crystal X-ray photographs
Answer:
The correct option is D. Single crystal X-ray photographs
Note
The unit cell parameters in the crystal are often determined with the aid of single crystal X-ray photographs. The symmetry or unit cell type is first obtained from an inspection of the photographs.