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Thomson's discovery advanced the understanding of which particle's properties?

  • Proton

  • Photon

  • Electron

  • Neutron

Answer

J.J. Thomson is credited with the discovery of the electron. In 1897, he conducted an experiment using a cathode ray tube and found that cathode rays could be deflected by an electric field. This led him to conclude that cathode rays were made up of negatively charged particles, which he named electrons.
The Scientific Odyssey of George Paget Thomson: A Nobel Legacy Quiz

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