Фотоэлектроны, вылетающие из металлической пластинки, полностью тормозятся электрическим полем напряжением 0,8 в. определить скорость электрона .

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ЮлияСтоянова

Физика

4,4(29 оценок)

M*v^2/2=q*u v=sqrt(2*q*u/m)=sqrt(2*1,6*10^-19/9,1*10^-31)=5,3*10^5 м/с

kazmerovichvika

Физика

4,7(38 оценок)

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