红绿信号灯可控制交通，主要是利用光来传播____，红光、绿光都属于____波． -题库考试答案搜索网

红绿信号灯可控制交通，主要是利用光来传播，红光、绿光都属于波．

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2022-09-21 22:45

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信息 | 电磁

试题解析

光的用途很多，交通信号灯“红灯停，绿灯行”表明光在传播信息；光是电磁波，因此红光、绿光也都属于电磁波．

标签：军考类军队院校生长军（警）官招生考试

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