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positive rays

Discovery of Proton

Last Updated on May 3, 2020 By Mrs Shilpi Nagpal 3 Comments

​Since the atom as a whole is electrically neutral and the presence of negatively charged particles in it was established ,therefore, it was thought that some positively charged particles must also be present in the atom. Goldstein in 1886 performed discharge tube experiment in which he took perforated cathode and a gas at low pressure was kept inside the tube, as … [Read more...] about Discovery of Proton

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