Problem 1
What is the particulate nature of the radioactive emissions \(\alpha\) and \(\beta\) particles? What is a \(\gamma\) ray?
Problem 2
Why are \(\alpha\) particles dangerous to health only if ingested or inhaled?
Problem 3
What is meant by the terms rad and rem?
Problem 4
Explain the origin of radon gas in buildings.
Problem 5
Explain what is meant by the term daughters of radon. Why they are more dangerous to health than radon itself?
Problem 6
Define fission and write the reaction in which \(a^{235} \mathrm{U}\) nucleus is fissioned into typical products.
Problem 7
What are the functions in a fission power reactor of (a) the moderator and (b) the coolant?
Problem 9
Explain why the spent fuel rods from fission reactors are more radioactive than the initial fuel.
Problem 11
Describe why the mining of uranium ore often pollutes the local environment.
Problem 12
What is a breeder reactor? Why is it useful to breed fissionable fuel? What is meant by reprocessing and why is it done?