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      Question

      Protons were discovered

      by
      A Goldstein Correct Answer Incorrect Answer
      B Rutherford Correct Answer Incorrect Answer
      C Thompson Correct Answer Incorrect Answer
      D Chadwick Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      In 1911 Ernest Rutherford who performed many experiments to explore radioactivity did an experiment in which he discovered that the atom must have a concentrated positive centre charge that contains most of the atom’s mass. He suggested that the nucleus contained a particle with a positive charge the proton.

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