2. The energy levels of the K, L, M, and N shells in tungsten are: -69.5,
-10.9, -2.3, and -0.4 keV, respectively.
a. Calculate the energies of all the characteristic x-rays that can result
from transitions between these energy levels. Are the entries in
Table 5.1 included among your answers? The probability of
transitions to the L and M shell is low and, therefore, these lines
may not be seen in the spectrum.
b. What is the minimum electron bombardment energy necessary in
order to actually see all these lines in the x-ray spectrum from a
tungsten target?