Physics Unit23: Light and Geometric Optics (id: c812fa553)

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 4.1 cm 7o:c7qhjbc0 v do9ov)tall, and 1ibg8l2a3h: gz 0.3 cm from a converging lens. The image is virtual and 6.2 cm tall. What is the focal i hlg8z a2bg:3length of the lens?

A. $6.8 \; cm$
B. $10 \; cm$
C. $16 \; cm$
D. $30 \; cm$


参考答案:  D


本题详细解析: 暂无

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