C4. In mammography, a 10-g molybdenum (Z = 42) target is irradiated by an X-ray beam source whose photon energy is 30 keV. The K edge is 20 keV. (a) Using the Moseley formula for adjacent-level transition, determine the photon energies of the emitted Ka-line to KB-line in keV? (b) If the intensity of the emitted line is proportional to (E- Eb)¹.5, where E is the energy the incoming photons and Eb is the line photon energy, what is the intensity ratio of t Ka-line to KB-line?
C4. In mammography, a 10-g molybdenum (Z = 42) target is irradiated by an X-ray beam source whose photon energy is 30 keV. The K edge is 20 keV. (a) Using the Moseley formula for adjacent-level transition, determine the photon energies of the emitted Ka-line to KB-line in keV? (b) If the intensity of the emitted line is proportional to (E- Eb)¹.5, where E is the energy the incoming photons and Eb is the line photon energy, what is the intensity ratio of t Ka-line to KB-line?
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Transcribed Image Text:C4. In mammography, a 10-g molybdenum (Z = 42) target is irradiated by an X-ray beam
source whose photon energy is 30 keV. The K edge is 20 keV.
(a) Using the Moseley formula for adjacent-level transition, determine the photon energies
of the emitted Ka-line to KB-line in keV?
(b) If the intensity of the emitted line is proportional to (E - Eb)¹.5, where E is the energy
the incoming photons and Eb is the line photon energy, what is the intensity ratio of t
Ka-line to KB-line?
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