本题目来源于试卷: Physics Unit25: Optical Instrument,类别为 Generic Physics
[单选题]
A person uses a converging le2o4 4cdzme(oans of89jnn:j sqg k* focal length 5.0 cm as a magnifying glass. What is the magnification if the person's eye is rjq sn:*g9 8jknelaxed?
A. 4.0
B. 5.0
C. 6.0
D. 7.0
参考答案: B
本题详细解析:
暂无
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