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MHT CET2016ChemistrySolid State

In a face centred cubic unit cell, what is the volume occupied?

Options

  1. A4 3 π r 3
  2. B8 3 π r 3
  3. C16 3 π r 3
  4. D64 r 3 3 3

Correct answer

C. 16 3 π r 3

Step-by-step solution

Number of atoms per unit cell in FCC = 4 So volume occupied by FCC unit cell = 4 × 4 3 π r 3 = 16 3 π r 3

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