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MMLU-Pro / 9742 / A hospital has a 3.0 x 10^14 Bq Co-60 source for cancer therapy. The rate of…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

A hospital has a 3.0 x 10^14 Bq Co-60 source for cancer therapy. The rate of gamma rays incident on a patient of area 0.30 m^2 located 4.0 m from the source is $X*10^11$ Bq, what is X? Co-60 emits a 1.1- and a 1.3-MeV gamma ray for each disintegration.
Plain-text mathematical notation (without MathML)
A hospital has a 3.0 x 10^14 Bq Co-60 source for cancer therapy. The rate of gamma rays incident on a patient of area 0.30 m^2 located 4.0 m from the source is $X*10^11$ Bq, what is X? Co-60 emits a 1.1- and a 1.3-MeV gamma ray for each disintegration.
Original LaTeX notation
A hospital has a 3.0 x 10^14 Bq Co-60 source for cancer therapy. The rate of gamma rays incident on a patient of area 0.30 m^2 located 4.0 m from the source is $X*10^11$ Bq, what is X? Co-60 emits a 1.1- and a 1.3-MeV gamma ray for each disintegration.

category

physics

options

  1. 7.65
  2. 5.50
  3. 11.20
  4. 6.25
  5. 9.85
  6. 12.30
  7. 3.90
  8. 4.75
  9. 10.40
  10. 8.95

src

theoremQA-Physics

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