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JEE Main201912 Apr 2019Morning ShiftChemistrySolid StateActual

An element has a face-centered cubic fcc structure with a cell edge of a . The distance between the centres of two nearest tetrahedral voids in the lattice is

Options

  1. Aa 2
  2. B3 2 a
  3. Ca
  4. D2 a

Correct answer

A. a 2

Step-by-step solution

8 symmetrical cube Distance between two TV = a - a 4 + a 4 = a 2 Correct option is C .

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