Instructions text problems 2, 4, 18, 22, 28 1. [-/4 Points] DETAILS MY NOTES SERCP11 22. 1.P,002 a) what is the energy in joules of an stray photon with wavelength 2.24 * 10 / } m? b) Convert the energy to electron volts: kev (c) if more penetrating x-rays are desired, should the wavelength be Increased or decreased" O increased decreased (d) Should the frequency be increased or decreased? O increased O decreased Need Help? ReadIt Subimil Answer Type here to search F7