Physics Unit25: Optical Instruments (id: 514070b1a)

本题目来源于试卷: Physics Unit25: Optical Instruments，类别为 国际高中通用物理

[单选题]
What power lens is needed to correct for farsightedness where the uncorrec lt,jwd y s.1a4omu+9brz1gw :;ro- zyted n0+hlo khzcb7*: -hvesebl kvhzo7c+-hs: h0 e*ar point 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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