天气预报 > 其他 > 物理怎么样用尺规画出反射角
物理怎么样用尺规画出反射角
更新时间: 2020-10-09 00:00:00  

用圆规以入射点o为圆心,任意相同长度为半径在入射线和镜面线上截出a、b两点,再在另一边截出c点,在c点上和a点大概对称的地方,画出一段弧e;以c为圆心ab为半径,作弧交e于d点,连结od,角doc即为反射角。

关键词: 物理 怎么样 反射角

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