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</ul> </div> </div> </div> <div id="2dydaeq" class="crumbs g-cw"> <i class="iconw-fixed"></i> <span>當(dāng)前位置：</span>   <a href="/question?tree_type=category&xd=3&chid=6" class="pointer">高中物理</a> <span>/</span> <a href="javascript:;">單選題</a> </div> <div id="vx7ggz7" class="m-wrap g-cw cfx"> <div id="87xve0s" class="w fl"> <div id="tv68273" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="kfypyww" class="question-block"> <div id="eo7lble" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5272183.shtml" class="ques-origin a-pointer" target="_blank"> (2024高二上·邵陽期末) </a> 如圖甲所示是一列簡諧橫波在<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Et%3C%2Fmi%3E%3Cmo%3E%3D%3C%2Fmo%3E%3Cmn%3E0%3C%2Fmn%3E%3Cmn%3E.%3C%2Fmn%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmtext%3Es%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">時刻的波形圖，質(zhì)點<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3EP%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">的平衡位置位于<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ex%3C%2Fmi%3E%3Cmo%3E%3D%3C%2Fmo%3E%3Cmn%3E7%3C%2Fmn%3E%3Cmtext%3Em%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">處，其振動圖像如圖乙所示，下列說法正確的是（　　）<p><img width="391" height="142" src="http://tikupic.21cnjy.com/2024/03/19/fe/9c/fe9c34062bb63a760bab85b00e972a21.png" style="max-width:100%;"></p> </h1> <div id="lx0id8q" class="exam-s"> <span id="yv0texq" class="op-item"><span id="6udbisn" class="op-item-nut">A . </span><span id="xyjd6jg" class="op-item-meat">波沿<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ex%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">軸正方向傳播</span></span> <span id="r1uulbc" class="op-item"><span id="zuthgrt" class="op-item-nut">B . </span><span id="rm8hasm" class="op-item-meat">再經(jīng)過<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmn%3E0%3C%2Fmn%3E%3Cmn%3E.%3C%2Fmn%3E%3Cmn%3E2%3C%2Fmn%3E%3Cmtext%3Es%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">質(zhì)點<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3EP%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">的加速度最大且沿<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ey%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">軸負(fù)方向</span></span> <span id="wcrhong" class="op-item"><span id="q8nemdx" class="op-item-nut">C . </span><span id="pvnmbsu" class="op-item-meat">質(zhì)點<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3EQ%3C%2Fmi%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">的振動方程為<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmi%3Ey%3C%2Fmi%3E%3Cmo%3E%3D%3C%2Fmo%3E%3Cmn%3E6%3C%2Fmn%3E%3Cmtext%3Es%3C%2Fmtext%3E%3Cmtext%3Ei%3C%2Fmtext%3E%3Cmtext%3En%3C%2Fmtext%3E%3Cmrow%3E%3Cmo%3E%28%3C%2Fmo%3E%3Cmrow%3E%3Cmfrac%3E%3Cmrow%3E%3Cmn%3E5%3C%2Fmn%3E%3Cmtext%3E%CF%80%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E4%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3Cmi%3Et%3C%2Fmi%3E%3Cmo%3E%2B%3C%2Fmo%3E%3Cmfrac%3E%3Cmrow%3E%3Cmtext%3E%CF%80%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E4%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3C%2Fmrow%3E%3Cmo%3E%29%3C%2Fmo%3E%3C%2Fmrow%3E%3Cmtext%3Ec%3C%2Fmtext%3E%3Cmtext%3Em%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="frrp9o8" class="op-item"><span id="a2ct28r" class="op-item-nut">D . </span><span id="bpz8kqp" class="op-item-meat">該波的波速為<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmfrac%3E%3Cmrow%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmn%3E0%3C%2Fmn%3E%3Cmtext%3Em%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmtext%3Es%3C%2Fmtext%3E%3C%2Fmrow%3E%3C%2Fmfrac%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="t2k5md5" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="joqnenh" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=56064075" width="140px" height="140px" alt=""> <p style="text-align:center;margin-top: 10px">微信掃碼預(yù)覽、分享更方便</p> </div> <div id="rwg2hz6" class="analyize-extend JV_question__papers"> <h3 class="extend-mt">使用過本題的試卷</h3> <ul class="extend-mc"> <li> <a href="/paper/view-5272183.shtml" target="_blank" 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