Exposure

The physical quantity exposure (X) is the amount of charge (Q) in dry air due to indirectly ionizing radiation such as photons and neutrons. The corresponding unit is röntgen (R).

Related quantities

• absorbed dose
• ambient dose equivalent
• collective effective dose
• committed effective dose
• committed equivalent dose
• directional dose equivalent
• effective dose
• equivalent dose
• irradiation geometry
• kerma
• personal dose equivalent
• radiation weighting factor
• tissue weighting factor