(function(){var loadHandler=window['sl_{904D71D3-BFB3-4B5F-80DB-6DEF9A7D32A9}'];loadHandler&&loadHandler(4, '<div id="spr0_e19beb"><div id="spr1_e19beb" class="kern slide"><img id="img0_e19beb" src="data/img3.png" width="720px" height="405px" alt="" style="left:0px;top:0px;"/></div><div id="spr2_e19beb" class="kern slide"><div id="spr3_e19beb" style="left:9.788px;top:0.181px;"><div style="width:0px;"><span id="txt0_e19beb" data-width="24.000120" style="left:5.401px;top:5.531px;">2. </span> <span id="txt1_e19beb" data-width="31.295042" style="left:23.401px;top:5.531px;">Sự </span> <span id="txt2_e19beb" data-width="58.505978" style="left:48.651px;top:5.531px;">truyền </span> <span id="txt3_e19beb" data-width="33.501095" style="left:101.151px;top:5.531px;">âm </span> <span id="txt4_e19beb" data-width="50.516720" style="left:128.651px;top:5.531px;">trong </span> <span id="txt5_e19beb" data-width="57.521603" style="left:173.151px;top:5.531px;">không </span> <span id="txt6_e19beb" data-width="31.119261" style="left:224.651px;top:5.531px;">khí</span></div></div><div id="spr4_e19beb" style="left:9.788px;top:0.181px;"><div style="width:0px;"><span id="txt7_e19beb" class="relpos" data-width="544.201172" style="left:5.401px;top:31.579px;">- Các dao động từ nguồn âm thanh lan truyền trong môi trường được gọi là </span> <span id="txt8_e19beb" class="relpos" data-width="63.509766" style="left:5.396px;top:31.579px;">sóng âm</span> <span id="txt9_e19beb" class="relpos" style="left:5.391px;top:31.579px;">.</span></div></div><div id="spr5_e19beb" style="left:9.788px;top:0.181px;"><div style="width:0px;"><span id="txt10_e19beb" data-width="273.937500" style="left:5.401px;top:53.179px;">- Sóng âm hay âm thanh gọi tắt là âm.</span></div></div><div id="spr6_e19beb" style="left:36px;top:375.375px;"><div style="width:0px;"><span id="txt11_e19beb" class="nokern" data-width="45.043945" style="left:5.401px;top:5.838px;">28/01/2026</span></div></div><div id="spr7_e19beb" style="left:516px;top:375.375px;"><div style="width:0px;"><span id="txt12_e19beb" class="nokern" style="left:158.051px;top:4.243px;">5</span></div></div><div id="yt0" style="left:26.769px;top:88.615px;"></div></div></div>', '{"s":[]}');})();