Physics Unit25: Optical Instruments (id: 514070b1a)

本题目来源于试卷: Physics Unit25: Optical Instruments，类别为 通用国际物理

[单选题]
What power lens is needed to correct forrp/8hcin)y qvg) f h,- farsightedness where the uncorrected nqy;)1e aj2g64 ahzzsnm2gk r1ear pointz2ae4;n g )kgym11qja2s z6rh 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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