A 70-kg person experiences a whole -body exposure to alpha radiation (RBE= 15) with energy 4.77 MeV. A total of 6.25×10^12 alpha particles are absorbed. a). What is the absorbed dose in rad? b). What is the equivalent dose in rem? c). If the source is 0.0320 gram of Radium -226 (half-life 1,600 years). Somewhere in the body, what is the activity of this source? d). If all the alpha particles produced are absorbed, what time is required for this dose to be delivered?
A 70-kg person experiences a whole -body exposure to alpha radiation (RBE= 15) with energy 4.77 MeV. A total of 6.25×10^12 alpha particles are absorbed. a). What is the absorbed dose in rad? b). What is the equivalent dose in rem? c). If the source is 0.0320 gram of Radium -226 (half-life 1,600 years). Somewhere in the body, what is the activity of this source? d). If all the alpha particles produced are absorbed, what time is required for this dose to be delivered?
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A 70-kg person experiences a whole -body exposure to alpha radiation (RBE= 15) with energy 4.77 MeV. A total of 6.25×10^12 alpha particles are absorbed.
a). What is the absorbed dose in rad?
b). What is the equivalent dose in rem?
c). If the source is 0.0320 gram of Radium -226 (half-life 1,600 years). Somewhere in the body, what is the activity of this source?
d). If all the alpha particles produced are absorbed, what time is required for this dose to be delivered?
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