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 Ks lines? (b) For this same accelerating potential, what is Amin? What are the (c) Ka and (d) Ks wavelengths? (a) Number HI Units (b) Number Units (c) Number i Units (d) Number Units