What unit of measurement is used on scales that measure low levels of radiation?

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Succeed in the Damage Controlman (DC) A School Test 3 Exam. Utilize flashcards and multiple-choice questions, each with detailed hints and explanations. Gear up for your success!

Multiple Choice

What unit of measurement is used on scales that measure low levels of radiation?

Explanation:
Exposure in air is what scales like survey meters typically show, and for very small amounts those readings are expressed in milliRoentgens. The milliRoentgen is a small unit of the roentgen, which measures ionization in air and is appropriate for describing low levels of radiation. Other units measure different things: Gray is energy absorbed per kilogram of tissue (absorbed dose), Sievert accounts for the biological effect of that radiation (dose equivalent), and Becquerel measures how many radioactive decays occur per second (activity). So for low-level environmental or survey readings, milliRoentgen is the most suitable unit.

Exposure in air is what scales like survey meters typically show, and for very small amounts those readings are expressed in milliRoentgens. The milliRoentgen is a small unit of the roentgen, which measures ionization in air and is appropriate for describing low levels of radiation. Other units measure different things: Gray is energy absorbed per kilogram of tissue (absorbed dose), Sievert accounts for the biological effect of that radiation (dose equivalent), and Becquerel measures how many radioactive decays occur per second (activity). So for low-level environmental or survey readings, milliRoentgen is the most suitable unit.

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