Position of tetrahedral voids in closest packed structure is(are):

edge-center of unit cell

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two tetrahedral voids on each body diagonal

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\frac{\sqrt{3} a}{4}

from corner

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face-centre of unit cell

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Solution

The correct options are
B two tetrahedral voids on each body diagonal
C $\frac{\sqrt{3} a}{4}$ from corner
Two tetrahedral voids are present on each body diagonal of a fcc unit cell at a distance of $\frac{\sqrt{3} a}{4}$ from each corner.

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Similar questions

In the cubic close packing, the unit cell has

(a) 4 tetrahedral voids each of which is shared by four adjacent unit cell

(b) 4 tetrahedral voids within the unit cell

(d) 8 tetrahedral voids within the unit cells

Show that in a cubic packed structure, eight tetrahedral voids are present per unit cell.

x \times a

x

B e O

M g^{2 +}

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