22. When (h + k + l) is an even multiple of 2, the Intensity corresponding to a
diamond cubic unit cell is:
(a) 64f C
2
(b) 32f C
2
(c) 16f C
2
(d) 8f C
2
23. When (h + 2 k) = 3n and l is an even integer, the intensity corresponding to an
hcp (hexagonal close packed) unit cell is:
(a) 2f
2
(b) 4f
2
(c) 6f
2
(d) 8f
2
24. When (h + 2 k) = 3n ± 1 and l is an odd integer, the intensity corresponding
to an hcp (hexagonal close packed) unit cell is:
(a) 9f
2
(b) 6f
2
(c) 3f
2
(d) f
2
25. When (h + 2 k) = 3n ± 1 and l is an even integer, the intensity corresponding
to an hcp (hexagonal close packed) unit cell is:
(a) 9f
2
(b) 6f
2
(c) 3f
2
(d) f
2
26. When (h + k + l) is an even integer, the structure factor corresponding to the
unit cell of CsCl structure is:
(a) (f Cs + f Cl )
(b) (f Cs - f Cl )
(c) (f Cs + 3f Cl )
(d) (f Cs + 3f Cl )
27. When (h + k + l) is an odd integer, the structure factor corresponding to the
unit cell of CsCl structure is:
(a) (f Cs + f Cl )
(b) (f Cs + 3f Cl )
(c) (f Cs - 3f Cl )
(d) (f Cs - 3f Cl )
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8 Structure Factor Calculations