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WorksheetsCrystal Geometry
Total questions: 8
Worksheet time: 13mins
According to Bravais there are total
14 crystal clases
7 unit cells
7 space lattices
14 unit cells
How many lattice parameters are required to represent FCC unit cell.
6
4
12
1
Coordination number of HCP crystal structure is
6
15
8
12
Crystal structure=Space Lattice+ (a)
diameter of atom in FCC crystal structure is .............. Given a is the side of the unit cell.
a
0.707a
0.866a
0.5a
None of these are correct
Planar density of BCC (110) is ................ Givenlattice parameter is 'a'.
1/(a^2)
1/(1.414a^2)
1.414/(a^2)
2/(a^2)
None of the options are correct
If the lattice parameter of a cubic crystal is a.
125 angstrom is the distance between two consecutive planes of family {210l}. Then a is in angstrom unit...............
625
11.8
55.9
279.5
None of these are correct
Choose the correct option(s).
APF of BCC is 0.64
APF of HCP is 0.76
APF of SC is 0.58
FCC is the cubic closed pack structure
