
[請益] 國ㄧ理化問題

第八題,學生問我說答案是c,我怎覺得不對,因為刻度在後面,那視線由下而上不是會先
過水面再到刻度而導致過高而不是偏低?為何不是a?
http://i.imgur.com/2DFYo7x.jpg

還請指導ㄧ下
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