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在高中物理教材(甲种本)第三册第252页练习一中,有这样一道说理题:“用白光做干涉实验,为什么会得到彩色的干涉条纹?在彩色条纹中最靠近中央亮纹的是哪种颜色的条纹,为什么? 学生在回答这个问题时,由于缺乏色光的加色法,减色法等知识,对前一问讲不出什么道理,对后一问一般回答是紫色或红色。就是人教社出版的高中物理《教学参考》上也作出是紫色条纹的结论。事实上从J2515型双缝干涉仪上不难观察出,最靠近中央亮纹的是黄色条纹。
In the physics textbook for senior high school (A type of book), Book 1, Practice 252, there is a theory that says: ”Why do interference experiments with white light, and why do you get colored interference fringes? What kind of color stripe is this, why? When students answer this question, there is no reason to speak to the previous question due to the lack of color additive methods, subtractive color methods, etc. The general answer to the latter question is purple or Red is the conclusion that the high school physics “Teaching Reference” published by the People’s Education Society also made a purple stripe.In fact, it is not difficult to observe from the J2515 double-slit interferometer that the yellow stripe is closest to the center bright pattern.