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MMLU-Pro / 9294 / The radiation from an x-ray tube operated at 50 kV is diffracted by a cubic KC1…

Problem

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question

The radiation from an x-ray tube operated at 50 kV is diffracted by a cubic KC1 crystal of molecular mass 74.6 and density 1.99 × 10^3 kg\textbulletm^-3. Calculate (a) the short- wavelength limit of the spectrum from the tube, and (b) the glancing angle for first-order reflection from the princi-pal planes of the crystal for that wavelength.

category

physics

options

  1. 0.245 Å and 2.10 degree
  2. 0.248 Å and 2.25 degree
  3. 0.250 Å and 2.30 degree
  4. 0.235 Å and 2.20 degree
  5. 0.262 Å and 2.28 degree
  6. 0.242 Å and 2.33 degree
  7. 0.260 Å and 2.40 degree
  8. 0.250 Å and 2.18 degree
  9. 0.240 Å and 2.15 degree
  10. 0.256 Å and 2.35 degree

src

stemez-Physics

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Official source

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