本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
A near-sighted person has a far point of 18 cm. What ax4d(ejoli; 3lens (in dioptpa/oo++b jeg z )lnv7-ers) will alonel)/ bv++j7-apo gz low this person to see distant objects clearly?
A. +5.6 D
B. -5.6 D
C. +0.056 D
D. -0.056 D
参考答案: B
本题详细解析:
暂无
| 
Post time 2024-1-26 22:03:25