TS EAMCET Medical 29 Sept 2020 Shift 1 Paper

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Question : 142 of 160
 
Marks: +1, -0
In a carbon allotrope having FCC lattice, two atoms are at (0, 0, 0) and (
a
8
,
a
8
,
a
8
)
coordinates. What is the ratio of C-C bond length distance to the edge length of the unit cell?
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