'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 光的折射规律 (1)光从空气斜射入水中或其他介质中时： ①折射光线与入射光线、法线在...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1. 光源：能够自行发光的物体叫光源。 2. 太阳光是由红、橙、黄、绿、蓝、靛、紫组成...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 14.看不见的光： (1)红外线：主要作用是热作用――红外线烤箱、电视遥控 15.一倍焦距分...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 光的折射现象：光从一种介质斜射入另一种介质时，传播方向一般会发生变化，这种现...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 7.平面镜成像特点：像与物体大小相同;像与物体到平面镜的距离相等;平面镜所成像的是...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 平面镜成像的应用 1.平面镜成像特点 (1)像和物等大 (2)像到镜和物到镜的距离相等 (3)像...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 光的反射分类： (1)镜面反射：射到物面上的平行光反射后仍然平行。 (2)漫反射：射到物...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 凸透镜成像规律及应用： (1)当u2f时，成倒立、缩小的实像(照相机原理); (2)当f (3)当u 另...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 实像和虚像：...

'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 平面镜成像 1.平面镜成像： (1)平面镜：反射面为平面的面镜。 (2)平面镜成像特点：等大...