Предмет: Физика, автор: Alk77

выразить энергию фотоны красного света 2,*10-19 дж в электрон вольтах

Ответы

Автор ответа: sokolovvovikn

4

E=2*10^-19/1,6*10^-10 эВ=1,25 эВ

Alk77: Напиши пожалуйста дано и решение !

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