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 correct for famcvfn q+czuor .pd+ v4m0+q.,rsightedness where the uvkrncq 90im/4lzh vjw.+q.s)s , 73 pwkjjk0qncorrected near point vkq9k js q),ilvs.0j73r+hkpw cm wq 4nz /j0.is 75 cm?
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