Figure 3-15b shows the K a and K characteristic x rays emitted by a molybdenum (Mo)
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Figure 3-15b shows the Ka and Kβ characteristic x rays emitted by a molybdenum (Mo) target in an x-ray tube whose accelerating potential is 35 kV. The wavelengths are Ka = 0.071 nm and Kβ = 0.063 nm.
(a) Compute the corresponding energies of these photons.
(b) Suppose we wish to prepare a beam consisting primarily of Ka x rays by passing the molybdenum x rays through a material that absorbs Kβ x rays more strongly than Ka x rays by photoelectric effect on K-shell electrons of the material. Which of the materials listed in the accompanying table with their K-shell binding energies would you choose? Explain your answer.
Figure 3-15b
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