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如何在家做小孔成像实验

更新时间: 2020-09-16 00:00:00     

1、拿个小纸板,中间用针钻个小孔;

2、把小纸板放在桌子中间中间,左边放蜡烛,蜡烛火焰高度与孔齐高,右边再放一个纸板,三者保持一直线;

3、保持做实验的地方昏暗,点燃蜡烛,调整距离,会看到纸片上会有一个火焰的倒立图象。

关键词: 如何 在家 小孔 实验

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