Physics Unit23: Light and Geometric Optics (id: 18ecbac91)

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 8.90 cm t)lip:zs:3x zde2mogi-og l v;ov ,-y1all. The image is 7.80 cm tall, and 1i / c9zj7z+e:b j:a6mvwnrl.q , e3ktr4.8 cm from a convex mirror. What is the mirror's foc/q9 e ktiw.v:zba,ljr3r6ce +n :7jzm al length?

A. -120 cm
B. -105 cm
C. -16.9 cm
D. -13.0 cm


参考答案:  A


本题详细解析: 暂无

微信扫一扫，分享更方便