30 The half value thickness of an absorber is defined as the

Last updated: 6/13/2023

30 The half value thickness of an absorber is defined as the thickness that will reduce exponentially the intensity of a beam of particles by a factor of 2 The half value thickness in um for lead assuming X ray beam of wavelength 20 pm u 50 cm 1 for X rays in lead at wavelength 20 pm ondig h is um