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範例:光電效應與關係圖(二)

如右圖所示,兩金屬AB的光電效應,電子最大動能Ek與頻率ν之函數關係圖如右圖,圖中a:b=2:5,則:(1)4νA的光分別照在AB表面時,光電子的最大動能比EAEB為何?(2)3νA的光分別照在AB表面時,截止電壓之比VAVB為何?(3)可產生光電效應的極限波長比。[雄中]


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