本题目来源于试卷: Physics Unit25: Optical Instruments，类别为 国际高中通用物理
[单选题]
An important reason for using a very large dia,(agv e7l.(bc-g ,xfv oe8yjimet+q 61.e1b; lvqq3yz/tuqgb1ms 6ft kter objective in an astronomical telescopegfe6b yv+6. qktq;q u1 3m/1 1tlqzsbt 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
| 
