Question
(a) What is the shortest-wavelength x-ray radiation that can be generated in an x-ray tube with an applied voltage of 50.0 kV? (b) Calculate the photon energy in eV. (c) Explain the relationship of the photon energy to the applied voltage.
1. $2.48 \times 10^{-11}\textrm{ m}$
2. $50.0 \textrm{ keV}$
3. The maximum photon energy is the kinetic energy of the electron, which is $qV$. This is the electron charge times Voltage, which is "electron-volts". Therefore, the maximum photon energy is the x-ray tube voltage written in "eV".
Solution Video