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物理一倍焦距两倍焦距如何区分

更新时间: 2020-07-04 00:00:00     

物理的凸透镜成像特点为:在一倍焦距内成虚像,一倍焦距处不成像,一倍焦距到两倍焦距间成放大倒立的实像,在二倍焦距处成等大倒立的实像,在二倍焦距外成缩小倒立的实像。

根据以上凸透镜的成像特点即可区分物理的一倍焦距与二倍焦距。

关键词: 物理 焦距 如何 区分

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