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Who indirectly determined the mass of theelectron by measuring the charge of the electron?     [2000]
  • a)
    Thomson
  • b)
    Rutherford
  • c)
    Einstein
  • d)
    Millikan
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Who indirectly determined the mass of theelectron by measuring the cha...
Correct Answer :- D
Explanation : The mass of the electron is discovered by  the Millikan by the oil drop experiment.
E = mg
=> qE = mg
q/m = g/E
Therefore, charge was quantised.
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