3) A light ray enters a glass enclosed fish tank. From air it enters the glass at 20° with respect to the plane of the surface and then emerges into the water. The index for the glass is 1.50 and for water 1.33. (a) What is the angle of refraction in the glass? (b) What is the angle of refraction in the water? e there any incident angle in air for which the ray will not enter the water due to total internal reflection? If so, find it. Sketch: Equations:

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
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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13) A light ray enters a glass enclosed fish tank. From air it enters the glass at 20° with
respect to the plane of the surface and then emerges into the water. The index for the
glass is 1.50 and for water 1.33.
(a) What is the angle of refraction in the glass?
(b) What is the angle of refraction in the water?
O ls there any incident angle in air for which the ray will not enter the water due to total
internal reflection? If so, find it.
Sketch:
Equations:
Transcribed Image Text:13) A light ray enters a glass enclosed fish tank. From air it enters the glass at 20° with respect to the plane of the surface and then emerges into the water. The index for the glass is 1.50 and for water 1.33. (a) What is the angle of refraction in the glass? (b) What is the angle of refraction in the water? O ls there any incident angle in air for which the ray will not enter the water due to total internal reflection? If so, find it. Sketch: Equations:
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