Physics Unit25: Optical Instruments (id: 2611b07ac)

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 ifg44 nildod73e:xn8 pert*44m3jv t9bv q+u rs-0adnk oson has a near point of 25 cm. What is the mag-* tunr jovsd+ km4tv30 4qb9anification of the lens for that person when their eyes are focused at infinity?

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


参考答案:  B


本题详细解析: 暂无

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