A certain target is bombarded by electrons in an x-ray tube. The K, L, and M energy levels have energies 84.7, 14.3, and 2.97 keV, respectively. (a) What is the minimum value of the accelerating potential that will permit production of the characteristic K and K lines? (b) For this same accelerating potential, what is Amin? What are the (c) K and (d) KB wavelengths? (a) Number i Units (b) Number i Units (c) Number i Units (d) Number i Units