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2022年初中物理光学知识点二
2022-09-29'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 光的反射定律： (1)反射光线、入射光线、法线在同一平面内; (2)反射光线、入射光线分...
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2022初中物理：光学系列的顺口溜
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 发光物体叫光源，描述路径有光线;直线传播有条件，同种介质需均匀; 影子小孔日月食...
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2022年初中物理：辨别凸透镜和凹透镜的方法
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 1、用手摸透镜，中间厚、边缘薄的是凸透镜;中间薄、边缘厚的是凹透镜; 2、让透镜正对...
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2022年初中物理：透镜及其应用
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 《透镜及其应用》 1、中央厚边缘薄的透镜是凸透镜 2、辨别凸透镜和凹透镜的方法有：...
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2022年初中物理：实像与虚像的区别
2022-09-05'); (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...
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2022年初中物理：凸透镜成像分界点
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})();...
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2022年初中物理：画光的反射和折射
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})();...
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2022年初中物理：光速
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 光速 1、真空中光速是宇宙中最快的速度;在计算中，真空或空气中光速c=3108m/s; 2、光在...
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2022年初中物理：凸透镜成像分界点
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 凸透镜成像的两个分界点： 2f点是成放大、缩小实像的分界点;f点是成实像、虚像的分界...
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2022年初中物理“结构特征
2022-09-05'); (window.slotbydup=window.slotbydup || []).push({ id: '8096091', container: s, size: '580,90', display: 'inlay-fix' });})(); 结构特征 凸透镜：边缘薄、中间厚，至少要有一个表面制成球面，亦可两面都制成球面...