'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 两种反射现象 镜面反射:平行光线经界面反射后沿某一方向平行射出,只能在某一方向...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 2022年初中物理光的反射练习题答案...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 2022年初中物理光的反射练习题 分页标题 '); (window.slotbydup=window.slotbydup || []).push({...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 几种特殊的光路: ①当入射光线垂直于反射面入射时,入射角为零度,反射角也为零度...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 几种特殊的光路: ①当入射光线垂直于反射面入射时,入射角为零度,反射角也为零度...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 光的反射 知识回顾: 定律:反射光线,入射光线在同一平面,反射光线、入射光线分居...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 光的传播 1、本身能发光的物体叫做光源。 2、光在同一种介质中是沿直线传播的。现象...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1.光的折射: 光从一种介质射入另一种介质时,传播方向发生偏折。这种想象叫做光的...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 实像与虚像的区别 实像是实际光线会聚而成的,可以用屏接到,当然也能用眼看到。虚...
'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 两种反射现象: (1)镜面反射:平行光线经界面反射后沿某一方向平行射出,只能在某一...