1. Derive the relationship between half value layer (HVL) and linear attenuation coefficient (μ). 2. Calculate the thickness of aluminum required to reduce the intensity of a 200 keV gamma-ray beam to 40% of its incident intensity? Assume that the HVL for 200 keV gamma-rays is 2,14 cm Al. 3. Draw a graph to illustrate how a mono-energetic photon beam is attenuated through four HVL thicknesses of Al (Aluminium).
1. Derive the relationship between half value layer (HVL) and linear attenuation coefficient (μ). 2. Calculate the thickness of aluminum required to reduce the intensity of a 200 keV gamma-ray beam to 40% of its incident intensity? Assume that the HVL for 200 keV gamma-rays is 2,14 cm Al. 3. Draw a graph to illustrate how a mono-energetic photon beam is attenuated through four HVL thicknesses of Al (Aluminium).
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1. Derive the relationship between half value layer (HVL) and linear attenuation coefficient (μ).
2. Calculate the thickness of aluminum required to reduce the intensity of a 200 keV gamma-ray beam to 40% of its incident intensity? Assume that the HVL for 200 keV gamma-rays is 2,14 cm Al.
3. Draw a graph to illustrate how a mono-energetic photon beam is attenuated through four HVL thicknesses of Al (Aluminium).
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