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在19世纪后期,物理学家面临着一个令人迷惑的问题。他们知道一些金属板在足够高频率光的照射下将发射电子,并称这种现象为光电效应。但这些科学家不了解电子发射的情况,他们用当时占主导地位的光的波动理论讨论光电效应失败了。
In the late 19th century, physicists faced an confusing problem. They know that some metal plates will emit electrons under the irradiation of a sufficiently high frequency of light and call this phenomenon a photoelectric effect. However, these scientists did not understand the electron emission situation. They used the wave theory of dominant light at that time to discuss the photovoltaic effect failed.