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 fro3q99fo-6tzxmq 6qhru nt .82a-fklhdez u (nnmjex q: 0(of a converging mirror creates a real image. The distance between the object and the mirror is then doubled, resulting in an image 1/3 as large as before.Where was e(:hlam nk-8.x2z(ne0udjfqthe 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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