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2011年海南高考卷第18题,以赛艇为情境考查了光学的折射和全反射规律,题意新颖,立足基础,能考查学生的基本能力.然而笔者对照了网上的大量解析版本后,发现有一种解法与原参考答案明显不符,且极有代表性,现将两种解法列举如下,并分析错误成因,以免在今后的复习中引起误导.题目.(2011年海南高考卷第18题)一赛艇停在平静的水面上,赛艇前端有一标记P离水面的高度为h1=0.6 m,尾
The 18th issue of the Hainan college entrance examination paper in 2011 examined the optical refraction and total reflex rules in the context of rowing. It has a novel purpose, based on the basics, and can examine the basic abilities of students. However, the author contrasted a large number of analytical versions on the Internet and found that There is a solution that is obviously inconsistent with the original reference answer, and is very representative. Now the two solutions are listed as follows, and analyze the causes of errors so as to avoid misleading in the future review. Title. (2011 Hainan College Entrance Examination Vol.18) A rowing boat stops on a calm water surface. The front of the boat has a mark P from the water with a height of h1 = 0.6 m.