Physics Unit25: Optical Instrument (id: 09b56f21e)

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本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics

[单选题]
A compound microscope has h ycpim26rjt(t9; b,9j) qyj )epek1r a 18-cm barrel and an objective with yc(s(5 (hpjkd7tv9x ua focal length of 8.0 mm. What is the focal length of the eyepiece tyxs ( h( 5cd9kvjt(u7po give a total magnification of 240?

A. $0.13 \; cm$
B. $1.5 \; cm$
C. $1.9 \; cm$
D. $2.3 \; cm$


参考答案:  D


本题详细解析: 暂无