A tumor on a persons leg has a mass of 3.0 g. What is the minimum activity
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A tumor on a person’s leg has a mass of 3.0 g. What is the minimum activity a radiation source can have if it is to furnish a dose of 10 Gy to the tumor in 14 min? Assume each disintegration within the source, on the average, provides an energy 0.70 MeV to the tumor.
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