Physics Unit23: Light and Geometric Optics (id: 6a2dbdf30)

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 placed at 30 cm in front of a divernuxndj52f(iv+ m8dn 7ging lenb hj -7bm,zb; y(9 5/mjbkehnas with a focal length of 10 cm. What is the magn kb-;b5 n/,hh7yj9zambjbe m(ification?

A. 0.25
B. -0.25
C. 0.67
D. -0.67


参考答案:  A


本题详细解析: 暂无

微信扫一扫，分享更方便