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 tall, and 10.3 cm from a conv zw-us/+fdhzo91l-f;)ed lwzo 8ya*nerging len p,fjb5ujs:jt l3bvf+k 5 kjqdf51/j/s. The image is virtual and 6.2 cm tall. 53p kqjf:j,blf / 5ufk j dv51bt+/jsjWhat is the focal length of the lens?

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


参考答案:  D


本题详细解析: 暂无

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