How was mass of electron discovered initially

Asked by Braham | 10th Apr, 2013, 11:56: AM

Expert Answer:

In 1897, Thomson found electron approximate charge to mass ratio experimentally. In 1911, Millikan also found its approximate charge experimentally. Subsequently, a combination of measurement, electromagnetic theory, and Newton's laws yielded the approximate
mass of the electron. 

Answered by  | 11th Apr, 2013, 10:55: AM

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