※ 引述《QKILOLOQ (J-J Thomson)》之铭言： : After an electronically excited molecule or radical has been produced by : absorption of radiation , a number of relaxtion processes can happen. Which : one of the following processes is brought about by collision ? : (A)Fluorescence (B)Vibrational Relaxation (C)Intersystem crossing : (D)Phosphorescence : 我看了半天不知道要选哪一个 好像都可以选的样子 : 请教大家这一题我该怎麽下手解题??? : 谢谢 我对於这四选项都一直搞混 分不清楚 我一直以为振荡跟振动有关 然後也跟萤光 磷光 振动松弛有关 所以这个概念 遇到这一题时 我一时就分不清楚了 还有第二小题 Estimate the lifetime of a state that, because of lifetime broadening, gives rise to a line of width 1 -1 cm -11 -34 -12 -35 (1)1.6 x 10 s (2)3.3 x 10 s (3)2.5 x 10 s (4)5.2 x 10 s --

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