3. ~ 1(one tilde) is equivalent to:
(a) 3m
(b) 3/m
(c) m
(d) 1/m
4. ~ 2 (two tilde) is equivalent to:
(a) 4
(b) 3
(c) 2
(d) 1
5. ~ 3 (three tilde) is equivalent to:
(a) 6
(b) 4
(c) 3
(d) 2
6. ~ 4 (four tilde) is equivalent to:
(a) 6
(b) 4
(c) 3
(d) 2
7. ~ 6 (six tilde) is equivalent to:
(a) 6
(b) 4
(c) 3
(d) 2
8. Total number of symmetry elements exist in a monoclinic unit cell is:
(a) 9
(b) 7
(c) 5
(d) 3
9. Total number of symmetry elements exist in a orthorhombic unit cell is:
(a) 7
(b) 5
(c) 3
(d) 1
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6 Unit Cell Symmeteries and Their Representations