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How long will the next fraction take

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Question:1 What is the probability of a 222Rn atom decaying in our lungs? The atmospheric concentration of 222Rn may be assumed to be 1 pCi/L. In an average breath we inhale 0.5 L of air and exhale it 3.5 s later.

Question:2) Ir-192 is used for high dose rate brachytherapy. Treatment is usually delivered in a few fractions with the same dose. If a treatment fraction takes 281 seconds, how long will the next fraction take if it is scheduled for the week after?

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This assignment questions based on radioactive and probability as well fraction is found on the basis of dose rate brachytherapy .This assignment is all about two problems and basic analysis based .

Reference no: EM132263957

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