Question 1
What is the unit for the measure of an absorbed dose of radiation and what is its SI definition?
◦ joule, 1 J = (mv
2)/2
◦ gray, 1 Gy = 1 J/(kg of body tissue)
◦ watt, 1W = 1 J/1 sec
◦ sievert, 1 Sv = 1 J/(kg of body tissue)
◦ becquerel, 1 Bq = (number of decay events)/time
Question 2
Beta decay of
60Co produces a beta particle and
◦
59Co
◦
56Mn
◦
60Fe
◦
60Ni