Physics Unit25: Optical Instruments (id: f11ca4a63)

本题目来源于试卷: Physics Unit25: Optical Instruments，类别为 通用国际物理

[单选题]
A compound microscope has a 18-cm barrel/z53hcuv pb5 x v5gfbeajw tv23q3 37 fmf .4gpand an objective with a focal length of 8.0 mm. What is the focal length of the eyepiece to ge5fv wg42 3f.vtqp3mgb7a3fj ive 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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