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Question
In the cubic close packing, the unit cell has ______.
Options
4 tetrahedral voids each of which is shared by four adjacent unit cells.
4 tetrahedral voids within the unit cell.
8 tetrahedral voids each of the which is shared by four adjacent unit cells.
8 tetrahedral voids within the unit cells.
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Solution
In the cubic close packing, the unit cell has 8 tetrahedral voids within the unit cells.
Explanation:
Eight tetrahedral voids per fee unit cell
Each cube represented by numeric 1, 2, 3, 4, 5, 6, 7, 8 contains one tetrahedral void.
Each cube contains one tetrahedral void at its body centre as shown above
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