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MHT CET202616 April 2026Evening ShiftChemistrySolid StateActual

What is the total contribution of all corner particles in bcc unit cell?

Options

  1. A1 particle
  2. B2 particles
  3. C3 particles
  4. D4 particles

Correct answer

A. 1 particle

Step-by-step solution

In a body-centered cubic (bcc) unit cell, particles are present at all 8 corners and 1 particle is present at the body center. Each corner particle is shared by 8 adjacent unit cells. Thus, the contribution of one corner particle to a single unit cell is 1 8 . Since there are 8 corners in a unit cell, the total contribution of all corner particles is 8 1 8 = 1 particle. Answer: 1 particle

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