1. The problem statement, all variables and given/known data For a silver atom, energy corresponding to Kα transition is 21.75 KeV. Also minimum energy of a striking electron so as to produce L X-Rays is 3.56 keV. Now, if electron with an energy of 23 keV strike a silver target the characteristic X-rays spectrum will have a)only kα and L x-rays b)only L x-rays c)K and L X-rays d) only kα x-rays 3. The attempt at a solution I summed up the two energies and found that it is greater than 23keV. So both can't happen simultaneously. But which X-ray will happen?