Q.

Statement 1: The total number of atoms present in a simple cubic unit cell is one.Statement 2: Simple cubic unit cell has atoms at its corners, each of which is shared between eight adjacent unit cells.

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a

Both statements 1 and 2 are correct

b

Both statements 1 and 2 are incorrect

c

Statement 1 is correct and statement 2 is incorrect

d

Statement 1 is incorrect and statement 2 is correct

answer is A.

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Detailed Solution

In simple cubic unit cell each atom is present at corners having contribution 1/8.Hence, total number of atoms present per unit cell in sc unit cells is 18×8=1.
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Statement 1: The total number of atoms present in a simple cubic unit cell is one.Statement 2: Simple cubic unit cell has atoms at its corners, each of which is shared between eight adjacent unit cells.