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 haskp srf0 )l nn;t(7p:bwn1hgl, a focal length of9 )i0 e;.8ubsjzm)k tsn jr;3dax doo8lxwo86 20 cm. An object is placed 30 cm in front of the mirror on the mirror's axis. Where is)oo6 u;z 0es;88bl sjxdjk 9 .irwmt3o adx)n8 the 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:
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