Which of the following units measures the amount of radiation absorbed by any medium?

Which of the following units measures the amount of radiation absorbed by any medium?

• A. Rad
• B. Rem
• C. Gray
• D. Rontgen

Answer: (C)

The unit that measures the amount of radiation absorbed by any medium is the Gray. This unit quantifies the energy deposited by ionizing radiation in a material, specifically reflecting the absorbed dose. One Gray is defined as the absorption of one joule of radiation energy by one kilogram of matter. In radiation safety, understanding absorbed doses is crucial because it helps assess potential biological effects of radiation exposure. The Gray provides a clear measurement that can be used across various materials and biological systems, making it a standard unit for assessing radiation absorption in diverse contexts, such as medical treatments or environmental evaluations. While Rad is also a unit for measuring absorbed dose, it has largely been replaced by the Gray for clarity and standardization in scientific communication. The Rem measures the biological effect of radiation, taking into account the type of radiation, while Rontgen specifically measures exposure in air and is not a direct measure of absorbed dose. Thus, the Gray is the most appropriate unit for assessing the amount of radiation absorbed by any medium.

The unit that measures the amount of radiation absorbed by any medium is the Gray. This unit quantifies the energy deposited by ionizing radiation in a material, specifically reflecting the absorbed dose. One Gray is defined as the absorption of one joule of radiation energy by one kilogram of matter.

In radiation safety, understanding absorbed doses is crucial because it helps assess potential biological effects of radiation exposure. The Gray provides a clear measurement that can be used across various materials and biological systems, making it a standard unit for assessing radiation absorption in diverse contexts, such as medical treatments or environmental evaluations.

While Rad is also a unit for measuring absorbed dose, it has largely been replaced by the Gray for clarity and standardization in scientific communication. The Rem measures the biological effect of radiation, taking into account the type of radiation, while Rontgen specifically measures exposure in air and is not a direct measure of absorbed dose. Thus, the Gray is the most appropriate unit for assessing the amount of radiation absorbed by any medium.