determine the intensity at the initial distance of 0.5 ft with an intensity of 110 mrem/h if a 5 cm lead shield was placed between the source and the…

determine the intensity at the initial distance of 0.5 ft with an intensity of 110 mrem/h if a 5 cm lead shield was

placed between the source and the detector. [μ for lead, (662 keV gamma ray) = 1.23 cm-¹]

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