传播电视信号的电磁波是( )A.无线电波B.γ射线C.紫外线D.X射

传播电视信号的电磁波是(  )

A.无线电波

B.γ射线

C.紫外线

D.X射线

答案

解析:无线电波波长大,易衍射,用于传播电视信号.

答案:A

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