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cfx"> <div id="lvvndrx" class="w fl"> <div id="zn3bjnh" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="znrfvxv" class="question-block"> <div id="1rb7n9h" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5259022.shtml" class="ques-origin a-pointer" target="_blank"> (2023八上·子洲期末) </a> 圖為水位測量儀的示意圖。<em>A</em>點與光屏<em>PQ</em>在同一水平面上，從<em>A</em>點發(fā)出的一束方向不變的激光，經(jīng)水面反射后，在光屏上的<em>B</em>點處形成一個光斑。下列說法正確的是（　?。?p><img width="127" height="89" src="http://tikupic.21cnjy.com/2024/08/20/ac/72/ac723da9c5fe7b628a5ca216340567ab_m_135x99.png" style="max-width:100%;"></p> </h1> <div id="7zzdxhr" class="exam-s"> <span id="vhdrhtv" class="op-item"><span id="llzf7vf" class="op-item-nut">A . </span><span id="ftv9n5j" class="op-item-meat">水位升高，反射角將變小</span></span> <span id="bl9dv9t" class="op-item"><span id="lblffdz" class="op-item-nut">B . </span><span id="pzzfb77" class="op-item-meat">水位升高，反射角將變大.</span></span> <span id="nhxltdr" class="op-item"><span id="7jjlf3r" class="op-item-nut">C 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