30 сент 1897 г. - J.J Thomson
Описание:
Used a CRT to experimentally determine the charge to mass ratio (e/m) of an electron =1.759 x 10 8 coulombs/gram. Hear Thompson talk about the size of an atom. Examine Thompson's 3 experiments to verify atoms had parts.Добавлено на ленту времени:
Дата:
30 сент 1897 г.
Сейчас
~ 128 г назад