本题目来源于试卷: Physics Unit25: Optical Instrument，类别为 Generic Physics
[单选题]
What power lens is needed to)x1i( 1i9om puur shca8 2ohu* correct for farsightedness wher6 el:l+d+z mm g3jqvdp:auk7: e the uncorrected near point is 75 cm?d:ed lqp+u+ m36vzl:a:7mgkj
A. +2.7 D
B. -2.7 D
C. +5.3 D
D. -5.3 D
参考答案: A
本题详细解析:
暂无
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Post time 2024-1-26 22:03:25