Question
What is packing efficiency?
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Answer
(1) Packing efficiency : It is the fraction of a percentage of the total space (of the unit cell) occupied by the particles (spheres).
$\therefore$ Packing efficiency
$=\frac{\text { Volume occupied by particles in unit cell }}{\text { Total volume of unit cell }}$
(2) The magnitude of packing efficiency gives a measure of how tightly particles are packed together.
$\therefore$ Packing efficiency
$=\frac{\text { Volume occupied by particles in unit cell }}{\text { Total volume of unit cell }}$
(2) The magnitude of packing efficiency gives a measure of how tightly particles are packed together.
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