The half value layer (HVL) of a material is defined as the thickness of the material needed to reduce the intensity of the incident x-ray beam to half its value. Assume that the x-ray beam is monochromatic, no scattering occurs and that material A (as shown in Figure 1) is homogeneous and has a linear attenuation coefficient (ua). Material A has an HVL of 1.5 mm. Calculate the ratio I,/lz as shown in Figure if x=5 mm. lo HA=?? 2x
The half value layer (HVL) of a material is defined as the thickness of the material needed to reduce the intensity of the incident x-ray beam to half its value. Assume that the x-ray beam is monochromatic, no scattering occurs and that material A (as shown in Figure 1) is homogeneous and has a linear attenuation coefficient (ua). Material A has an HVL of 1.5 mm. Calculate the ratio I,/lz as shown in Figure if x=5 mm. lo HA=?? 2x
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Transcribed Image Text:The half value layer (HVL) of a material is defined as the thickness of the material needed to reduce the intensity of the incident x-ray
beam to half its value. Assume that the x-ray beam is monochromatic, no scattering occurs and that material A (as shown in Figure 1) is.
homogeneous and has a linear attenuation coefficient (u.). Material A has an HVL of 1.5 mm. Calculate the ratio l/lz as shown in Figure 1
if x-5 mm.
lo
HA=??
2x
Figure 1: Schematic diagram fr question 3.
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