本题目来源于试卷: Lenses and Mirrors，类别为 美国物理杯赛(Physics Bowl)
[单选题]
03.22: An object placed in froy o71nsk 0fw-ent of a c ( g*pzi2rl;vqonverging mirror creates a real image. The distance between the object and the mirror is then doubled, resulting in an ( i*plqg v;rz2image 1/3 as large as before.Where was the object originally?
A. at the focal point of the mirror
B. halfway between the focal point and radius of curvature of the mirror
C. at the radius of curvature of the mirror
D. at three times the focal length of the mirror
E. at three times the radius of curvature of the mirror.
参考答案: C
本题详细解析:
暂无
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