在物理画图题时,照发光点时,画延长线使用虚线,还是实线呢?
在物理画图题时,照发光点时,画延长线使用虚线,还是实线呢?
物理人气:933 ℃时间:2020-02-03 23:24:31
优质解答
画延长线使用虚线,因为它不是真实存在的.所以,延长线的交点,叫做虚像嘛.真实的光线会聚形成的,是实像.
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