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Average dose rate

  1. Apr 5, 2015 #1
    1. The problem statement, all variables and given/known data
    A patient receives an injection of 1.11×108 Bq of 131I,30% of which goes to the thyroid, having a mass of 20 g.What is the average dose rate in the organ?

    2. Relevant equations
    D=1.60×10–10AE Gy s–1

    3. The attempt at a solution



    =1.60x10-10 (1.665)(0.192Mev)

    = 51μGy s–1

    This is my solution. Can anyone point out the mistake here.
  2. jcsd
  3. Apr 7, 2015 #2
    What happened to the factor 10^6 you had in calculating A?
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