Physics Unit23: Light and Geometric Optics (id: 06c973e49)

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 14 cm in front of a convex m.b c.m/xa/md0aj phy9cw;1u nirror. The image is 5.8 cm behindw d.se:qxtz an+6k)3 j the mirror. Whaeksqzt:a. j xwd+6)3 nt is the focal length of the mirror?

A. -4.1 cm
B. -8.2 cm
C. -9.9 cm
D. -20 cm


参考答案:  C


本题详细解析: 暂无

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