Multiple choice general knowledge science & technology

Who discovered the electron?

  1. Sir J J Thomson

  2. Eduard Jenner

  3. Albert Einstein

  4. None of these
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A Correct answer
Explanation

J.J. Thomson discovered the electron in 1897 through cathode ray tube experiments. He determined that cathode rays were negatively charged particles much smaller than atoms, which he called 'corpuscles' - later named electrons.

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