Physics Unit23: Light and Geometric Optics (id: 4f5131ea0)

本题目来源于试卷: Physics Unit23: Light and Geometric Optics，类别为 通用国际物理

[单选题]
An object is 6.0 cm tallkq kqcr3u ym dg,ja6ul/e qm: 4:9)e0n, an7ojkd. b3s 1exd is in front of a diverging lens. The image is 2.5 cm tall, and 7.5 cm from the lens. What is the focal length of the lensd7e13.bsok xj?

A. -6.0 cm
B. -7.5 cm
C. -13 cm
D. -18 cm


参考答案:  C


本题详细解析: 暂无

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