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Physics Unit25: Optical Instruments (id: e09ffd353)

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admin 发表于 2024-1-18 21:01:21 | 显示全部楼层 |阅读模式
本题目来源于试卷: Physics Unit25: Optical Instruments,类别为 国际高中通用物理

[单选题]
A magnifying lens has a b:u3 l c/g+g zuyr01qlfocal length of 1 dmsq.*o. mjifj n(v;,0 cm. A person has a near point of 25 cm. What is the magnification of the lens for that person when their eyes a vi;jm. ns(q ,j.*fmdore focused at their near point?

A. 1.5
B. 2.5
C. 3.5
D. 4.5


参考答案:  C


本题详细解析: 暂无

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