本题目来源于试卷: Physics Unit25: Optical Instruments,类别为 通用国际物理
[单选题]
Consider the image formed by a refracting tele6n jhp+j33lnk3x, bb 0 2vyeq/h5 wysdy5,cdwscope. Suppose an opaqu 7lj6x1 enq9nk(g9oau e screen is placed in front of the lower half of the objecex1a6l g9 kqn79uon (jtive lens. What effect will this have?
A. The top half of the image will be blacked out.
B. The lower half of the image will be blacked out.
C. The entire image will be blacked out, since the entire lens is needed to form an image.
D. The image will appear as it would if the objective were not blocked, but it will be dimmer.
E. There will be no noticeable difference in the appearance of the image with the objective partially blocked or not.
参考答案: D
本题详细解析:
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