The Discovery of Neutron

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The discovery of neutron cannot be separated from the experiment conducted by Geiger, Marsden and Ernesrt Rutherford, that is the experiment by shooting the alpha particles (positively charged particles) on the thin plate of gold. In the experiment, most of alpha particles are transmitted, and the other small parts are diverted and reflected. According to Rutherford, the alpha particles are transmitted because they encounter the free space. Meanwhile, the alpha particles diverted are those touching the nucleus and the ones reflected are alpha particles which accurately collide with the nucleus and undergo the repulsion force (Coloumb's Force)

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https://drive.google.com/file/d/1W9NoxPBe2XZznYdZ9GPrYLW9pp9i4tC3/view?usp=sharing

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