Light takes the path that allows it to travel from point A to point B in the shortest possible time. You are lost something on the bottom of a pool at night. The water is 4.0 m deep. You search for it. You are holding a light source 1.2 m above the water surface. When the light reaches the object on the bottom of the pool it is directed such that it crosses the water surface at a distance of 1.5 m from the edge (see Figure). The index of refraction of water is nH2O = 1.33, while the index of refraction of air is nair = 1.00. Calculate the distance of the object from the edge of the pool.

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Light takes the path that allows it to travel from point A to point B in the shortest
possible time. You are lost something on the bottom of a pool at night. The water is
4.0 m deep. You search for it. You are holding a light source 1.2 m above the water
surface. When the light reaches the object on the bottom of the pool it is directed
such that it crosses the water surface at a distance of 1.5 m from the edge (see Figure).
The index of refraction of water is nH2O = 1.33, while the index of refraction of air is
nair = 1.00.
Calculate the distance of the object from the edge of the pool.

 

1.2m
<15m-*
10m
Transcribed Image Text:1.2m <15m-* 10m
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