光子是什么？爱因斯坦为啥得诺贝尔奖？李永乐老师讲光电效应实验 - Vidude

10 Views· 15 August 2022

光子是什么？爱因斯坦为啥得诺贝尔奖？李永乐老师讲光电效应实验

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在前几期节目中我们介绍了人类对于光的本性的探索
从最开始牛顿认为光是一种微粒
到胡克惠更斯认为光是一种波动
再到托托马斯·杨和菲涅尔证实的光的波动说
以及麦克斯韦提出的电磁学理论
很多科学家认为人类已经掌握了光的本性
那就是一种电磁波
但是到了20世纪人们又发现了一些新的现象
这些新的现象无法用波动说去解释
于是人们又提出了波粒二象性的学说
那么今天我们就来讲一讲波粒二象性是怎么提出来的
我们首先要说一个实验叫做光电效应实验
详见视频……

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