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多普勒效应是为纪念奥地利物理学家及数学家克里斯琴·约翰·多普勒(Christian JohannDoppler)而命名的,他于1842年首先提出了这一理论.多普勒效应的主要内容为:物体辐射的波长因为波源和观测者的相对运动而产生变化.在教学人教版高中《物理》选修3—4第十二章第五节《多普勒效应》一节时,为了让学生直观认识多普勒效应,课堂上,笔者用音乐手机演示了多普勒效应.具体做法如下:
The Doppler effect was named after the Austrian physicist and mathematician Christian Johann Doppler. He first proposed this theory in 1842. The main content of the Doppler effect is: : The wavelength of the object’s radiation changes due to the relative motion of the wave source and the observer. To teach students to teach students in the high school “Physics” elective 3-4, Chapter 12, Section 5 “Doppler effect”, Intuitive understanding of the Doppler effect, in the classroom, the author used a music phone to demonstrate the Doppler effect. The specific approach is as follows: