The WR used in calculating sievert takes into account which of the following?

The WR used in calculating sievert takes into account which of the following?

• A. Meiosis
• B. LET
• C. Age
• D. Pregnancy

Answer: (B)

The main idea is that the sievert is a measure of biological effect, not just energy deposited. To convert absorbed dose (in grays) into sieverts, you multiply by a radiation weighting factor that depends on how damaging the radiation is, which is determined by its linear energy transfer (LET). High-LET radiation, such as alpha particles, causes more biological damage per unit energy than low-LET radiation like X‑rays or gamma rays, so it gets a higher weighting factor. That’s why energy from different radiation types contributes differently to the overall risk. The other options aren’t used for this purpose: meiosis is a cellular process unrelated to radiation weighting, and age or pregnancy affect risk assessments and protective decisions but do not determine the weighting factor used to calculate sieverts.

The main idea is that the sievert is a measure of biological effect, not just energy deposited. To convert absorbed dose (in grays) into sieverts, you multiply by a radiation weighting factor that depends on how damaging the radiation is, which is determined by its linear energy transfer (LET). High-LET radiation, such as alpha particles, causes more biological damage per unit energy than low-LET radiation like X‑rays or gamma rays, so it gets a higher weighting factor. That’s why energy from different radiation types contributes differently to the overall risk.

The other options aren’t used for this purpose: meiosis is a cellular process unrelated to radiation weighting, and age or pregnancy affect risk assessments and protective decisions but do not determine the weighting factor used to calculate sieverts.