Percentages of free space in cubic close packed structure and in body – InterviewSolution

1.	Percentages of free space in cubic close packed structure and in body centered packed structme are respectively
Answer» 30% and 26% 26% and 32% 32% and 48 48% and 26% Solution :Packing fraction is DEFINED as the ratio of the volume of the tmit cell that is occupied by the spheres to the total volume of the UNIT cell. P.F. for ccp and bee are 0.74 and 0.68 respectively. So, the free space in ccp and bee are 26% and 32% respectively

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