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对光电效应中两个问题的讨论江苏省淮安市钦工中学时春华“光电效应”现象是光具有粒子性的第一个实验证据，因而在人类对光的本性认识中占有重要地位．中学物理课本也编入了这一内容．所谓“光电效应”现象是指在光的照射下从物体发射出电子的现象，发射出来的电子称为光...
Discussion of two problems in the photoelectric effect The “photoelectric effect” phenomenon of Shi Chunhua in Qingong Middle School of Huai’an City, Jiangsu Province is the first experimental evidence that light has particle properties, and thus occupies an important position in the human understanding of the nature of light. Middle school physics textbooks have also incorporated this content. The so-called “photoelectric effect” phenomenon refers to the phenomenon of emitting electrons from an object under the irradiation of light. The emitted electrons are called light...