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Percentage of free space in bcc. Unit cell is- (a) 32% (b) 34% (c) 28% (d) 30% |
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Answer» Correct Answer is:(a) 32% • Percentage of free space in BCC unit cell is A) 32%. The ratio of volumes in unit cell occupied by atoms to the total unit cell volume is referred to as the packing fraction or packing density. • For cubic structure centred around the body, Packing fraction = 68% of the unit cell is occupied by atoms |
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