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12/09/2020 5:33 pm
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The correct order of the packing efficiency in different types of unit cells is…………
(a) fee < bee < simple cubic
(b) fee > bee simple cubic
(c) fee < bee > simple cubic
(d) bee < fee > simple cubic
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12/09/2020 5:44 pm
(b) fee > bee simple cubic
Explanation:
Packing efficiency in different types of unit cells can be tabulated as
Unit cell Packing efficiency
fcc 74%
bcc 68%
Simple cubic 52%
Hence, correct order is fee (74%) > bee (68%) > simple cubic (52%).