本题目来源于试卷: Physics Unit25: Optical Instruments，类别为 通用国际物理
[单选题]
An important reason for usia5ga* u26 kcdmng a very largerte*7arkkaf ;m9f7( z0zqu7 hmg6k p4 diameter objective in an astronomical telescope is9;faurqg76 at4* rf zk 7kp7e0hz(kmm
A. to increase the magnification.
B. to increase the resolution.
C. to form a virtual image, which is easier to look at.
D. to increase the width of the field of view.
E. to increase the depth of the field of view.
参考答案: B
本题详细解析:
暂无
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