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KVPY2012ChemistrySolid State

The inter-planar spacing between the ( 221 ) planes of a cubic lattice of length 450 pm is -

Options

  1. A50 pm
  2. B150 pm
  3. C300 pm
  4. D450 pm

Correct answer

B. 150 pm

Step-by-step solution

array l d _ hkl = a h ²+ k ²+1² = 450 4+4+1 = 450 9 =150 pm array

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