How much part of an atom occupies each corner of bcc unit cell?

How much part of an atom occupies each corner of bcc unit cell?
  1. $1 / 4$
  2. $1 / 8$
  3. $1 / 2$
  4. $1 / 6$

Solution

A BCC unit cell contains two atoms: one-eighth of an atom at each of the eight corners (8x18=1 atom from the corners) plus one atom from the center

Asked in: MHT CET 2020 (19 Oct Shift 1)

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