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FAQ

J. J. Thomson discovered the ratio of charge to mass of electrons. (1 янв 1906 г. – 23 ч 59 мин, 31 дек 1906 г.)

Описание:

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

Добавлено на ленту времени:

18 окт 2018
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Дата:

1 янв 1906 г.
23 ч 59 мин, 31 дек 1906 г.
~ 12 months