Which of the following is a non-SI unit commonly used in the field of radiation?
Kelvin
Sievert
Watt
Joule
The sievert (Sv) is a non-SI unit commonly used in the field of radiation to measure the biological effects of ionising radiation on living tissue. It is defined as the amount of radiation that produces a specific biological effect, and is based on the absorbed dose of radiation in units of gray (Gy) adjusted for the type and energy of radiation and the sensitivity of the tissue being exposed.
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