A Filament Electron Removes a K Shell Electron and an M

question 64

Multiple Choice

A filament electron removes a K shell electron and an M shell electron fills the vacancy. The K shell binding energy is 69.5 keV and the M shell binding energy is 2.8 keV. What is the energy of the K-characteristic photon produced?

• A) 2.8 keV.
• B) 57.4 keV.
• C) 66.7 keV.
• D) 69.5 keV.

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