47.波长、波速、频率之间关系是
<script>function viewparser(etype,eid){showWindow("showMsgBox", "plugin.php?id=tpgao_questionsyn:showMsg&timutype="+etype+"&item="+eid+"&credit=3&mod=sh", "get", 0);
}</script>[普通选择题]<br> 题目 47.波长、波速、频率之间关系是<br><br><br>A.波速≡频率/波长<br>B.波速=波长/频率<br>C.波长=频率/波速<br>D.频率=波长/波速<br>E.波速=频率×波长<br><br>正确答案：E<br><div id="parserbtn"><input class="parserbtn"onclick="viewparser(1,13680);" type="button" name="parserbtn" value="查看解析" style="height: 23px"></div><br>来自《B18Z专业知识(291题)》试卷<br><br>
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