本题目来源于试卷: Physics Unit23: Light and Geometric Optics，类别为 国际高中通用物理
[单选题]
A concave spherical mirror has a focaloytt4m1z o j+ff+(cb1 length of 20 ):y z cf- 0auovu2eeut/0hr.c cm. An object is placed 30 cm in front of the mirror on the mirror's axis. Where is 0e.) hu0rc:u2/ eocufty-a vzthe image located?
A. 12 cm behind the mirror
B. 12 cm in front of the mirror
C. 60 cm behind the mirror
D. 60 cm in front of the mirror
参考答案: D
本题详细解析:
暂无
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