question archive 1 The K-shell ionization energy of copper is 8 979 eV
1 The K-shell ionization energy of copper is 8 979 eV
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1 The K-shell ionization energy of copper is 8 979 eV. The L-shell ionization energy is 951 eV. Determine the wavelength of the Kα emission line of copper. What must the minimum voltage be on an x-ray tube with a copper target in order to see the Kα line?
2. The Kα x-ray is emitted when an electron undergoes a transition from the L shell (n = 2) to the K shell (n = 1). Use the method illustrated in Example 28.5 to calculate the wavelength of the Kα x-ray from a nickel target (Z = 28).
