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UPSC Combined Geo-Scientist

Chemist

  • 3 descriptive papers
  • 200 marks each
  • 3 h per paper

Mains Paper II covers physical chemistry.

UPSC Combined Geo-Scientist, Mains · 2018 · Mains Paper II

Q8(a). BCC interplanar spacing

Question

Find the distance between successive (110) planes of a bcc crystal with unit-cell edge 100.0 pm.

Answer in brief

d₁₁₀=70.71 pm.

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CoversBCC interplanar spacingCrystallography

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