Question

which of the following terms is synonymous with x - ray beam quantity?
radioactivity
penetrability
energy
intensity

Explanation:

X - ray beam quantity refers to the number of x - ray photons in the beam. Intensity is related to the number of photons and is synonymous with x - ray beam quantity. Radioactivity is related to the decay of unstable nuclei. Penetrability is about how well the x - ray can pass through materials. Energy is a property of each photon.

Answer:

D. Intensity