engineering recuitment UPPSC AE Mock Test 2024 Construction Materials and Management Miscellaneous Material
Which of the following statements correctly defines the Axis of Rotation Symmetry in crystal geometry?
1
It is an imaginary line that divides a crystal into two halves, each a mirror image of the other.
2
It is a central point where every face and edge of a crystal is matched by one on the opposite side.
3
It is a line through a crystal about which the crystal can be rotated to return to an identical position multiple times in one revolution.
4
It refers to the overall shape and external appearance of a crystal, determined by atomic arrangement.