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Unformatted text preview: a. fcc ABABAB (b ) b. hcp ABCABC ( a) 7. The direction  is contained in a. (110) b. (1-10) c. (111) (b ) 8. The shortest distance between the atoms in bcc unit cell is a. along the edge b.along the cube face c. along the body diagonal (c ) 9. Ideal c/a ratio for a hexagonal closed packed structure is when atoms are a. elongated ellipsoids b. compressed ellipsoids c. when atoms are spherical (c ) 10. Bargg's law states that the path difference traveled by X-ray should be equal to a. fraction of wave length b. wave length c. lattice distance (b ) 11. Bonus Question: The following changes in the lecture and lab classes will help improve our understanding of the course material....
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- Spring '08