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  • Percentages of free space in cubic close packed structure and in body centred packed structure are respectively Option: 1 48% and 26%<

Percentages of free space in cubic close packed structure and in body centred packed structure are respectively 

Option: 1

48% and 26%


Option: 2

30% and 26% 


Option: 3

26% and 32% 


Option: 4

32% and 48% 


Answers (1)

best_answer

Packing fraction for face-centered cubic unit cell - PF = 0.74 Packing fraction for body-centered cubic unit cell - PF = 0.68

Therefore,

(1) Packing Efficiency in CCP is 74% and empty space is 26%.

(2) Packing Efficiency in BCC is 68% and empty space is 32%.

Therefore, Option (3) is correct.

Posted by

shivangi.shekhar

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