John is a nuclear worker and has a mass of 70 kg. He was exposed to 10 Ci 137Cs source (1Ci=3.7x104Ci) for one hour. Only 10% of the gamma emitted from the source was absorbed in John's body. The energy of one single gamma ray emitted is 662 keV (1keV=103 eV). 1. Calculate the energy of one gamma ray in Joules 2. Calculate the total number of gamma emitted by the source for one hour. 3. Calculate the total energy of all gammas absorbed in John's body.
John is a nuclear worker and has a mass of 70 kg. He was exposed to 10 Ci 137Cs source (1Ci=3.7x104Ci) for one hour. Only 10% of the gamma emitted from the source was absorbed in John's body. The energy of one single gamma ray emitted is 662 keV (1keV=103 eV). 1. Calculate the energy of one gamma ray in Joules 2. Calculate the total number of gamma emitted by the source for one hour. 3. Calculate the total energy of all gammas absorbed in John's body.
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John is a nuclear worker and has a mass of 70 kg. He was exposed to 10 Ci 137Cs source (1Ci=3.7x104Ci) for one hour. Only 10% of the gamma emitted from the source was absorbed in John's body. The energy of one single gamma ray emitted is 662 keV (1keV=103 eV).
1. Calculate the energy of one gamma ray in Joules
2. Calculate the total number of gamma emitted by the source for one hour.
3. Calculate the total energy of all gammas absorbed in John's body.
4. Calculate the absorbed dose in John's body.
5. The weighting factor for gamma is W=1, what the equivalent dose He of John?
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