分子荧光的发射波长比激发波长更长或者短?为什么? ( ) -题库考试答案搜索网

分子荧光的发射波长比激发波长更长或者短?为什么? ( )

单选题

2021-07-17 23:53

A、长;因为去激发过程中存在各种形式的无辐射跃迁,损失一部分能量;
B、短;因为激发过程中,分子吸收一部分外界能量;
C、相同;因为激发和发射在同样的能级上跃迁,只是过程相反;
D、不一定;因为其波长的大小受到测量条件的影响。

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正确答案

A

试题解析

标签：给排水工程技术高起专水分析化学 2020年第二学期补考

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