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]
16.42: An object (whiclw c yzoe mfy2 3-t-.r,fvg*+hmo.-r++r ii/ 6uf ed wou)kyd7h points upward) is placed 21.0 cm from a converging lens of focal length 18.0 cm. Which one of the following choices is true about the image )ouu +r/+fd.ei-dri6ywk 7 omformed by the lens?
A. The image is larger than the object, virtual, and points upward.
B. The image is larger than the object, real, and points downward.
C. The image is smaller than the object, virtual, and points upward.
D. The image is smaller than the object, real, and points upward.
E. The image is smaller than the object, real, and points downward.
参考答案: B
本题详细解析:
暂无
| 
