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Calculate the percentage of packing effi...

Calculate the percentage of packing efficiency in simple cubic unit cell.

A

0.72

B

0.68

C

0.9

D

0.84

Text Solution

Verified by Experts

Packing fraction =`(piR^(2))/(2sqrt(3)R^(2))=0.907`
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Assertion (A) : Packing efficiency in simple cubic unit cell is 52.4% . Reason (R) : Density of the unit cell is given by the relation : d=(a^(3)N_(A))/(ZM) .