[題目] time lag...
[領域] (題目相關領域)
近物
[來源] (課本習題、考古題、參考書...)
老師給的Homework
[題目]
Light of wavelength 400 nm and intensity 10^-2 W/m^2 is incident
on potassium. Estimate the time lag for emission of photoelectrons
that would be expected classically?
[瓶頸] (寫寫自己的想法,方便大家為你解答)
就不懂咩= =a. 求救~~~
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