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 compound microscope has a 18-cm barrel av)s2 stcx2dn8nd an objectiv u8.(0hb ddgroyo-x x:jdzl)b/jn 7(re with a focal length of 8.0 mm. What is the focal lengthx- z :yljdo)g7 h.db0xd(r jb(8nou/r of the eyepiece to 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
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