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Hindi social science science maths English
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Which of the following lattices has the highest packing efficiency (i) simple cubic (ii) body-centred cubic and (iii) hexagonal close-packed lattice ?
Question : Which of the following lattices has the highest packing efficiency –
- simple cubic lattice
- body-centred cubic lattice (BCC)
- hexagonal close-packed lattice (HCP)
Key point to answer this question : Remember the packing efficiency of all lattices asked in our question which are simple cubic , BCC and HCP lattice. then you can easily crake the question in seconds.
simple cubic has the packing efficiency = 52.4%
body-centred cubic lattice (BCC) has the packing efficiency = 68%
hexagonal close-packed lattice (HCP) has the packing efficiency = 74%
solution : After seeing the data of packing efficiencies in given lattices , we can say that hexagonal close-packed lattice (HCP) has the highest packing efficiency that is 74%
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