Film badge unit range is expressed in which unit?

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Multiple Choice

Film badge unit range is expressed in which unit?

Explanation:
Film badge readings reflect the energy actually deposited in the detector material, which is the absorbed dose. That absorbed dose is expressed in rad in traditional radiologic dosimetry. In SI terms, this corresponds to gray (1 Gy = 100 rad), but film badges historically use rad to indicate the range of exposure they measure. So the badge’s range is given in rad because it measures energy deposition in the film, not dose equivalent or exposure in air.

Film badge readings reflect the energy actually deposited in the detector material, which is the absorbed dose. That absorbed dose is expressed in rad in traditional radiologic dosimetry. In SI terms, this corresponds to gray (1 Gy = 100 rad), but film badges historically use rad to indicate the range of exposure they measure. So the badge’s range is given in rad because it measures energy deposition in the film, not dose equivalent or exposure in air.

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