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MMLU-Pro / 9898 / An x-ray tube with a copper target is found to be emitting lines other than…

Problem

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question

An x-ray tube with a copper target is found to be emitting lines other than those due to copper. TheK_\alphaline of copper is known to have a wavelength of 1.5405 \AA, and the other two K_\alphalines observed have wavelengths of 0.7092 \AA and 1.6578 \AA. Identify the impurities.

category

physics

options

  1. Nickel and Palladium
  2. Copper and Silver
  3. Tungsten and Platinum
  4. Zinc and Chromium
  5. Molybdenum and Nickel
  6. Iron and Zinc
  7. Titanium and Vanadium
  8. Aluminum and Tin
  9. Silver and Gold
  10. Iron and Cobalt

src

stemez-Physics

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