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- 1. Fill in the Blank
What is the edge length of a bcc structure having a radius of 0.181 nm?
- 2. Fill in the Blank
What is the radius of an fcc structure given the side 0.3833 nm?
- 3. Fill in the Blank
What is the volume of the cell for a simple cubic structure having an edge length of 0.2431nm?
- 4. Fill in the Blank
What is the volume of an atom for a bcc structure having a radius of 0.3322 nm?
- 5. Multiple Choice
Identify the unit cell
simple cubic
BCC
FCC
HCP
- 6. Multiple Choice
The number of atoms per unit cell in simple, fcc and bcc unit cells are
1, 4, 2
1, 2, 4
2, 1, 4
2, 4, 1
- 7. Multiple Choice
The packing efficiency in simple, fcc, bcc unit cells will be respectively
74% 52.4% 68%
52.4% 68% 74%
68% 74% 52.4%
52.4% 74% 68%
- 8. Multiple Choice
The relationship between the atomic radius (r) and edge length (a) of a simple, fcc, bcc cubic unit cell will be respectively
- 9. Multiple Choice
Atomic packing factor (APF) for SC.
74%
0.74
0.68
0.52
- 10. Multiple Choice
The coordination number in simple ,fcc, bcc close packing arrangement will be respectively
6, 12, 8
1, 4, 2
4, 6, 8
none of the above
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