Radiation exposure

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Science and technology

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What Wikipedia says

Radiation exposure is a measure of the ionization of air due to ionizing radiation from photons. It is defined as the electric charge freed by such radiation in a specified volume of air divided by the mass of that air.

Excerpt from the Wikipedia article “Radiation exposure”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Wusel007, CC BY-SA 3.0, via Wikimedia Commons.