The Most Energetic Photon in a Continuous X-Ray Spectrum Has

Multiple Choice

The most energetic photon in a continuous x-ray spectrum has an energy approximately equal to:

A) the energy of all the electrons in a target atom
B) the kinetic energy of an incident-beam electron
C) the rest energy, mc², of an electron
D) the total energy of a K-electron in the target atom
E) the kinetic energy of a K-electron in the target atom