Which of the following crystal lattice will h | vedclass

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(D) The packing efficiency of a crystal lattice is the fraction of the total volume occupied by the atoms.Void fraction is calculated as: $	ext{Void

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simple cubic

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(D) The packing efficiency of a crystal lattice is the fraction of the total volume occupied by the atoms.Void fraction is calculated as: $	ext{Void fraction} = 1 - 	ext{Packing efficiency}$.For a simple cubic lattice,the packing efficiency is $\frac{\pi}{6} \approx 0.524$.Therefore,the void fraction is $1 - 0.524 = 0.476$.Thus,the simple cubic lattice has a void fraction of $0.476$.

Which of the following crystal lattice will have a void fraction of $0.476$?

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