The amount of filtration required to reduce the exposure of the beam to half of its original intensity is defined as:

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Quizplus · Accepted Answer

The Half-Value Layer (HVL) is the amount of filtration required to reduce the exposure of the beam to half of its original intensity. This is an important concept in radiation protection and is commonly used in the design of shielding materials for imaging facilities. Wedge filtration is a type of beam modification technique that is used to compensate for variations in tissue thickness, while mAs compensators and mA linearity are unrelated to the measurement of filtration.

The Amount of Filtration Required to Reduce the Exposure of the Beam