Question:medium

The fraction of the FCC unit cell volume filled with hard sphere is :

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The numerical value for FCC packing is $0.74$. It is one of the most efficient packing arrangements, also known as Cubic Close Packing (CCP).
Updated On: May 20, 2026
  • $\frac{\pi\sqrt{2}}{5}$
  • $\frac{\pi\sqrt{2}}{6}$
  • $\frac{\pi\sqrt{2}}{7}$
  • $\frac{\pi\sqrt{2}}{8}$
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The Correct Option is B

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