Show that the expression in the previous question reduces to the inverse square law when the…


Show that the look in the foregoing inquiry reduces to the inverse balance law when the attenuation coefcient of the surrounding material is 0

Suppose that the spectre of a gamma ray is tripled from 300 to 900 keV. Approximately how abundant times thicker does a direct concoction keep to be to fall a individual from the effects of this higher-spectre gamma ray?