In body centred and face centred arragnement of atoms of an element, what will be the number of atoms present in the respective unit cell ? Justify your answer with calculations.
A
`8 : 1 : 6`
B
`1 : 2: 4`
C
`4 : 2: 1`
D
`4 : 2: 3`
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The correct Answer is:
B
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