本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
A person is designing*kjz* xuy68 5 f xqtkx*ehbf3*fhe32a 6en 8.oopp 2n82zekio+0ujjj a 10X telescope. If the telescope is limited to a length of 20 cm, what is the apoh8o2 3 2efu60ppa z+ jken.jo8inje 2proximate focal length of the objective?
A. $16 \; cm$
B. $17 \; cm$
C. $18 \; cm$
D. $19 \; cm$
参考答案: C
本题详细解析:
暂无
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Post time 2024-1-26 22:03:25