本题目来源于试卷: Physics Unit24: Wave Nature of Light，类别为 国际高中通用物理
[单选题]
A convex lens is place,ha2 rtk3ngz5ga iepv/.o;i9d on a flatm/0lfu pr ,2h8m zuuf9 glass plate and illuminated from above with monochromatic red light. When viewed from abov2z, 89upu/flh fm mru0e, concentric bands of red and dark are observed. What does one observe at the exact center of the lens where the lens and the glass plate are in direct contact?
A. a bright red spot
B. a dark spot
C. a rainbow of color
D. a bright spot that is some color other than red
参考答案: B
本题详细解析:
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