Percentages of free space in cubic close packed structure and in body centred packed structure are respectively.
Percentages of free space in cubic close packed structure and in body centred packed structure are respectively
(a) 48% and 26%
(b) 30% and 26%
(c) 26% and 32%
(d) 32% and 48%
5 views
1 Answers
(c) : The packing efficiency in a ccp structure = 74%
Therefore, Percentage free space = 100 – 74 = 26%
Packing efficiency in a body centred structure = 68%
Therefore, Percentage free space = 100 – 68 = 32%
5 views
Answered