本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
A magnifying lens has82tojg(sv a, v s4.kblw)cc l5ppl3p:u(p 2ao2)b ojta focal length of 10 cm. A person has a near point of 25 cm. What is the p o) a sk.o(2l2c4 5ucjpw)bppb3lt:lmagnification 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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Post time 2024-1-26 22:03:25