What term is used to describe the peak energy of radiation exposure?

The term that describes the peak energy of radiation exposure is more accurately referred to as "radiation dose." Radiation dose quantifies the amount of radiation energy absorbed by an object or tissue, which can be critical in determining the biological effects of radiation on that tissue.

While "radiation threshold" might imply a minimum level of exposure necessary to produce an effect, it does not specifically convey the concept of peak energy. "Effective dose" refers to a calculated dose that accounts for the type of radiation and the sensitivity of different tissues, rather than peak energy exposure itself. "Exposure limit" suggests regulatory constraints on the permissible levels of exposure a person can receive, but does not focus on the highest energy level.

Understanding radiation dose is vital for evaluating the risk associated with radiation exposure and for making informed decisions in medical imaging and radiation therapy.