Assertion :- (a) the total number of atoms present in a simple cubic unit cell is one .
Reasn :-(R ) simple cubic cell has atoms at its corners , each of which is shered between eight adjecent adjeacent unit cells.

Options

A. If both assertion and reason and true and reason is the correct explanation of assertion.
B. If both assertion and reason and true and reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Answer

A

Explanation

In simple cubic unit cell, only corners are occupied by atoms. Thus, total number of atoms presetn in the unit cell will be one. `(Z=(!)/(8)xx8=1)`.