📊 Physics
Q. X - rays are used for the study of crystal structure because
  • (A) X - rays are completely absorbed by the crystal
  • (B) The wavelength of X - rays is of the same order of magnitude as the interatomic spacing in crystals
  • (C) The wavelength of X - rays is very small in comparison with the interatomic spacing in crystals
  • (D) The crystals are completely transparent to X - rays
✅ Correct Answer: (B) The wavelength of X - rays is of the same order of magnitude as the interatomic spacing in crystals

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