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1839 : prima presentazione del effetto fotoelettrico

da Antoine Becquerel e suo figlio .

1887 : Heinrich Rudolf Hertz ne pubblicò i risultati

in una rivista scientifica “Annalen der Physik "

1905 : Albert Einstein primo a propore una spiegazione,

-> concetto di particella della luce, chiamato oggi fotone e quella di quanto di energia .

1921 : Einstein riceve il Premio Nobel per la Fisica .

Storia

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Effetto fotoelettrico

By tali den