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J. J. Thomson discovered the ratio of charge to mass of electrons. (1 gen 1906 anni – 23 ore 59 min, 31 dic 1906 anni)

Descrizione:

He utilized cathode ray tubes and electromagnetic theory to find that the ratio of charge to mass of electrons is _ C/m

Aggiunto al nastro di tempo:

Data:

1 gen 1906 anni
23 ore 59 min, 31 dic 1906 anni
~ 12 months