Physics 111: Rutherford Scattering (RUT) Physics 111 Advanced Laboratory. Professor Sumner Davis This video accompanies the Rutherford Scattering Experiment, providing students with an introduction to the theory, apparatus, and procedures. An experiment that shook the world of physics was carried out by Rutherford in 1910. He found that when scattering alpha particles from gold foils, far more of them were scattered at large angles than were predicted by theory. He explained the finding by assuming that all of the mass of an atom and positive charge of an atom are concentrated in a small volume at the center, in a compact nucleus. He derived an equation in which the differential cross section for scattering by an atomic nucleus is proportional to the inverse fourth power of the sine of the scattering angle. In this experiment the scattering formula is confirmed for the case of alpha particles scattered by gold nuclei in a thin gold foil. The charge on the gold nucleus will also be determined. http://advancedlab.org
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This video is a part of a lecture series from of berkeley