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MMLU-Pro / 9518 / The mass absorption coefficients for theK_…

Problem

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question

The mass absorption coefficients for theK_\alphaandK_\betaradiations ofsilver are 13.6 cm^2 \textbulletg\Elzbar1and 58.0cm^2 \textbulletg\Elzbar1when palladium isused as an absorber. What thickness of palladium foil of density11.4g\textbulletcm\Elzbar3reduces the intensity of theK_\alpharadiation toone-tenth of its incid-ent value? What is then the percentagereduction in the intensity of theK_\betaradiation?

category

physics

options

  1. 1.75 × 10^2 cm, 96.5%
  2. 2.5 ×10^2 cm, 89.995%
  3. 1.0 × 10^2 cm, 92.0%
  4. 2.2 × 10^2 cm, 88.0%
  5. 1.2 × 10^2 cm, 93.5%
  6. 2.0 × 10^2 cm, 99.0%
  7. 0.85 × 10^2 cm, 90.0%
  8. 1.49 ×10^2 cm, 99.995%
  9. 1.6 ×10^2 cm, 98.5%
  10. 1.3 ×10^2 cm, 95.5%

src

stemez-Physics

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