The number of atoms present in a unit cell of | vedclass

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(D) In a simple cubic lattice,atoms are present only at the corners of the cube.Each corner atom is shared by $8$ adjacent unit cells.Therefore,the co

Vedclass · Accepted Answer

$1$

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(D) In a simple cubic lattice,atoms are present only at the corners of the cube.Each corner atom is shared by $8$ adjacent unit cells.Therefore,the contribution of each corner atom to a single unit cell is $\frac{1}{8}$.Since there are $8$ corners in a cube,the total number of atoms $(z)$ per unit cell is:$z = 8 	imes \frac{1}{8} = 1$.Thus,the correct option is $D$.

The number of atoms present in a unit cell of a monoatomic substance with a simple cubic lattice is:

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