本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
A magnifying lens has a fem)) y:pg4 aqrocal length of 10 cm. A rxnrtl f3(mf+7i-z asd6) k:b person has a near point of 25 cm. What is the magnification obx6l3r+ zd fr )ki(7mans: -tff the lens for that person when their 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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Post time 2024-1-26 22:03:25