Regarding the spike denoted as "K edge" on this graph: What is the mean free path length of a photon at the top and bottom of the increase? By approximating, what element does this increase come from and what is the L-edge of this element? 100 8 6 Sodium iodide 4 Kedge 3 2 10 B 6 cm/g sodium iodide 3 N 0.1 8 6 4 3 2 0.01 B 6 4 3 2 alp Total attenuation p 0,lp Rayleigh oto Total absorption Help Pair Kip Compton total alph Compton absorption a Compton scattering o, p 0.001 0.01 2 3 4 6 0.1 2346 1 2 3 4 6 10 234 6100 MeV