“电磁波的发现”教学中学生常提出的疑问及相应解释

Students′ Questions and the Corresponding Explanations in Teaching of Discovery of Electromagnetic Waves

在高中物理“电磁波的发现”一节的教学中，学生对平面电磁波传播过程中“电场强度矢量 E和磁感应强度矢量 B 同步变化”常提出疑问，笔者分析了其错误原因并给出较为详细的解释。

In the high school physics class teaching section of “discovery of electromagnetic waves” , the Students will ask questions about the “electric field intensity vector and magnetic induction intensity vector synchronous change ” in the process of plane electromagnetic wave propagation .In this paper ,the author analyses the cause of the error ,and gives a detailed explanation .