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Chapter 42: Q 32 Exercise (page 1237)
What is the total energy (in MeV) released in the beta decay
of a neutron?
Therefore, the total energy released is
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Nucleus A decays into nucleus B with a half-life of 10 s. At
t = 0 s, there are 1000 A nuclei and no B nuclei. At what time
will there be 750 B nuclei?
Calculate (in ) the total binding energy and the binding energy per nucleon for and for .
a. What are the isotopic symbols of all A = 17 isobars?
b. Which of these are stable nuclei?
c. For those that are not stable, identify both the decay mode and the daughter nucleus.
A chest x ray uses 10 keV photons with an RBE of 0.85. A 60 kg person receives a 0.30 mSv dose from one chest x ray that exposes 25% of the patient鈥檚 body. How many x ray photons are absorbed in the patient鈥檚 body?
A sample of 1.0x1010atoms that decay by alpha emission
has a half-life of 100 min. How many alpha particles are emitted
between t = 50 min and t = 200 min?
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