Find out the thickness needed to reduce the intensity

Reference no: EM13650953

Determine the thickness needed to reduce the intensity of a beam of gamma rays to 1/4th of its initial intensity (in g/cm^2, in cm) for a 300 keV gamma ray in Al, and in Pb.

Density of Al= 2700 mg/cm^3
Density of Pb= 11300 mg/cm^3

Reference no: EM13650953

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