Assignment:
Nuclear Physics Calculations
Question 1. A patient undergoing radiation therapy for cancer receives a 215-rad dose of radiation. (a) Assuming that the cancerous growth has a mass of 0.17kg, calculate how much energy it absorbs. (b) Assuming the growth to have the specific heat of water, determine its increase in temperature.
Question 2. A drug prepared for a patient is tagged with 99 Tc, which has a half-life of 6.05h.
43
(a) What is the decay constant of this isotope?
(B) How many nuclei are required to give an activity of 1.50 uCi?