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 farsightedhmuh0,j ,oz7n ness why y,tqyy3 .1ct rg7t5nnvs*e7ere the uncorrected near point is 75 cmvy y5ntyr7 n3tt s1*e.qg7y,c ?

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

微信扫一扫，分享更方便