32. A combination of 6-fold and mirror produces three mirror lines of second from
away from the first:
(a) 30°
(b) 45°
(c) 60°
(d) 90°
33. The order of monoclinic point group C 2h ð2=m) is:
(a) 1
(b) 2
(c) 4
(d) 6
34. The order of orthorhombic point group D 2h ðmmm) is:
(a) 1
(b) 2
(c) 4
(d) 6
35. The order of tetragonal point group D 4h ð4=mmm) is:
(a) 16
(b) 12
(c) 8
(d) 4
36. The order of trigonal point group D 3d ð 3m) is:
(a) 16
(b) 12
(c) 8
(d) 4
37. The order of hexagonal point group C 6h ð6=m) is:
(a) 4
(b) 8
(c) 12
(d) 16
38. The order of hexagonal point group D 6h ð6=mmm) is:
(a) 6
(b) 12
(c) 18
(d) 24
6.3 Group (Point) Representation of Symmetry Operations
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