When food is irradiated with gamma rays from a cobalt-60 source,does the food become radioactive? Why?
A)Yes.This is why irradiation with cobalt-60 is no longer approved by the FDA.
B)Yes.However,the radioactivity resulting is well below the danger level established by the FDA.
C)No.The gamma rays do not have sufficient energy to initiate the nuclear reaction in the atoms of the food.
D)Yes and No.Although the gamma rays initiate the nuclear reaction the radioactivity does not show up until the food is ingested.

Question

Quizplus · Accepted Answer

Gamma rays do not have sufficient energy to initiate the nuclear reaction in the atoms of the food. Therefore, the food does not become radioactive when irradiated with gamma rays from a cobalt-60 source. There is no need to avoid cobalt-60 irradiation for fear of radioactive contamination.

When Food Is Irradiated with Gamma Rays from a Cobalt-60