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Physics Unit25: Optical Instruments (id: e09ffd353)

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admin 发表于 2024-2-8 22:32:32 | 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 通用国际物理

[单选题]
A magnifying lens has a focal length of 10 cm. A person bj*vz (6ox :dj*(yr /5neqvmu has a nak9aeng-t 5bq 4;n(l/b7dof8n (xs ep ear point of 25 cm. What is the magnification of the lens for that person when their a;es(fatk( 7o 8n 4xendb5g9-/bpqln eyes are 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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