Physics Unit25: Optical Instruments (id: 039a9883f)

本题目来源于试卷: Physics Unit25: Optical Instruments，类别为 国际高中通用物理

[单选题]
A refracting telesco9r) he5q jmaj0 3b(nrgvkr06 spe has a magnific8oi wnm +zy3h o2*iaq;gxb55i ation $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

A. $4 \; m$
B. $2 \; m$
C. $m/2$
D. $m/4$


参考答案:  A


本题详细解析: 暂无

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