Percentage of free space in a body centre cubic unit cell is:

30

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32

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34

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28

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Solution

The correct option is B $32$ %
Percentage of free space in a body centered cubic unit cell is 32%.
Percentage of occupied space in a body centered cubic unit cell is 68%.
Note: Percentage of free space in a simple cubic unit cell is 47.6%.
Percentage of free space in a face centered cubic unit cell is 26%.

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