Physics Unit23: Light and Geometric Optics (id: 642c2a091)

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 diverging lens witlhl06i4h q6vs h a focal lefa 8amrs k2, lhw*4+c.hewfj9ngth of 10 mja,k84l2+fhewa*9rsfw c .h cm. What is the image distance?

A. $7.5 \; cm$
B. $-7.5 \; cm$
C. $15 \; cm$
D. $-15 \; cm$


参考答案:  B


本题详细解析: 暂无

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