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]
12.35: A student wanimj87dh8nv1 di2 z8d2dwx xn)ts to s.qhk; lhsl,8 up7sk(2 lwus+ eet up an experiment with a thin convex lens of focal length f such that a thin real object produces a focused real image on a movable screen. At how many locations along the optical axis (principal axis) can h;k,ksselwu87hp +lsu l.(q2 the object be placed so that the distance between the object and the focused image on the screen is equal to 3f ?
A. There is no location.
B. There is exactly one location.
C. There are exactly two locations.
D. There are exactly four locations.
E. There are an infinite number of locations
参考答案: A
本题详细解析:
暂无
| 
