1. Which radiation induces the most biological damage for a given amount of energy deposited in tissue?
(a) Alpha particles.
(b) Gamma radiation.
(c) Beta radiation.
(d) All do the same damage for the same deposited energy.
2. Which would produce the most energy in a single reaction?
(a) The fission reaction associated with uranium-235.
(b) The fusion reaction of the Sun (two hydrogen nuclei fused to one helium nucleus).
(c) Both (a) and (b) are about the same.
(d) Need more information.