Multiple choice

Which of the following lattice structures have the same packing efficiency?

  1. Simple cubic and bcc

  2. Simple cubic and bcc and ccp

  3. bcc and ccp

  4. hcp and ccp

  5. hcp and bcc
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Packing efficiency in both hexagonal close packed (hcp) and cubic close packed (ccp) lattices is 74%.

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