In a cubic close packed structure, fractional contributions of an atom at the corner and at the face in the unit cell are, respectively-
In a cubic close packed structure, fractional contributions of an atom at the corner and at the face in the unit cell are, respectively-
A. 1/8 and 1/2
B. 1/2 and 1/4
C. 1/4 and 1/2
D. 1/4 and 1/8
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