問題詳情

36.What is the vertical size of the smallest vertical plane mirror in which a observer, 180 cm talland standing erect, can see his full length image. Answer in cm.
(A) 90
(B) 180
(C) 45
(D) 175

參考答案

答案:A
難度:非常困難0
統計:A(0),B(1),C(0),D(0),E(0)

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