Radiation Absorbed Dose
3 definitions

One of the two units used to measure the amount of radiation absorbed by an object or person, known as the “absorbed dose,” which reflects the amount of energy that radioactive sources deposit in materials through which they pass. The radiation-absorbed dose (rad) is the amount of energy (from any type of ionizing radiation) deposited in any medium. An absorbed dose of 1 rad means that 1 gram of material absorbed 100 ergs of energy (a small but measurable amount) as a result of exposure to radiation. The related international system unit is the gray (Gy), where 1 Gy is equivalent to 100 rad.

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37.9

FK Grade Level
College
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    Biological effects are related to the amount of radiation energy absorbed by specific tissues. Radiation dose is the amount of energy absorbed in tissue and is measured in gray (Gy). The unit for dose used to be the rad, but the conversion is simple 1 Gy = 100 rad.

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    52.1

    FK Grade Level
    High School
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    The basic unit of dose of ionizing radiation. A dose of one rad means the absorption of 100 ergs of radiation energy per gram of absorbing material.

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    49

    FK Grade Level
    High School
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