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透镜成像的规律是什么

更新时间: 2020-10-30 00:00:00     

1、凸透镜成实像时,物距减小,像距逐渐(增大),且像变(大),可以概括为一句简单易记的口诀物近→像(近),像变(大),反之,物远→像(远),像变(小)。

2、凸透镜成虚像时,物距增大,像距逐渐(变大),且像逐渐变(大)。

3、可以概括为一句简单易记的口诀物远→像(远),像变(大),反之,物近→像(近),像变(小)。

关键词: 透镜 规律 什么

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