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 using b;se9y 57 nqkza very large diamete08r6h7zzso;ymhn m5 jr objective in an astronomical telescop;hr z7nhsy6mo m8 z0j5e is
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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