1. Tardigrade
  2. Question
  3. Chemistry
  4. In a hexagonal close packed structure (hcp) of spheres, the fraction of the volume occupied by the sphere is A. In a cubic close packed structure, the fraction is B. The relation for A and B is

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Q. In a hexagonal close packed structure (hcp) of spheres, the fraction of the volume occupied by the sphere is A. In a cubic close packed structure, the fraction is B. The relation for A and B is

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Solution:

Fraction of the space occupied in $c.c.p.$ and $h.c.p.$ arrangements is the same.