Question: Problem 10: A metal disk is placed 1 m away from the X-ray source, which emits 1016 photons to all directions. The photon energy is

Problem 10: A metal disk is placed 1 m away from the X-ray source, which emits 1016 photons to all directions. The photon energy is 105 keV. The sample is a cylinder with the height of 1 mm and the bottom area of 1 mm . The density of sample is 103 kg/m3. The electron in the K shell has the ionization energy of 80 keV. Assume that each photon ejects 1 electron from the K shell and no energy is dissipated away from the sample. Determine: (a) the exposure of the sample; (b) the kerma; (c) the absorbed dose; (d) the dose equivalent. Express the answers in the SI units

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