Protons are incident on a copper foil 12 m thick a What should the proton kinetic energy be in order that the distances of

Question

Protons are incident on a copper foil 12 m thick a What should the proton kinetic energy be in order that the distances of closet approach equal the nuclear radius 5 0 fm b If the proton energy were 7 5 MeV what is the impact parameter for scattering at 120 c What is the minimum distance between proton and nucleus for this case d What fraction of the protons is scattered beyond 120

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