The swimmer cannot see his key when the horizontal distance between him and
the edge of the pool is larger than 1 m. Find the distance d between the key and
the edge of the pool.
The refractive index of water is 1.33
https://www.sendspace.com/file/2w8r1z
Refraction losing key
2015-03-06 10:35 pm
回答 (1)
2015-03-08 9:03 pm
✔ 最佳答案
Angle of incidence = 90°-tan^(-1)(1.5/1) =33.69°By Snell’s Law,
(sin33.69°)/sinƟ=1.33/1
Ɵ=24.6496°
d/2.5=tan(24.6496°)
d=1.15m
收錄日期: 2021-04-15 18:34:24
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150306000051KK00033