类比是一种有效的学习方法,通过归类和比较,有助于掌握新知识,

类比是一种有效的学习方法,通过归类和比较,有助于掌握新知识,提高学习效率。在类比过程中,既要找出共同之处,又要抓住不同之处。某同学对机械波和电磁波进行类比,总结出下列内容,其中不正确的是       

       A. 机械波的频率、波长和波速三者满足的关系,对电磁波也适用

       B. 机械波和电磁波都能产生干涉和衍射现象

       C. 机械波的传播依赖于介质,而电磁波可以在真空中传播

       D. 机械波既有横波又有纵波,而电磁波只有纵波

答案

D

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