Windshield contains 2.00 mm thick glass with an index of refraction of 1.518 and is coated with a 0.700 µm thick layer of methanol (n=1.329). There is the air surrounding the whole system . A ray of sunlight passes through the air and impinges on the methanol layer with an angle of 30.0° relative to the normal. a) What is the angle of refraction of the light at the air→methanol interface? b) What is the speed of light in methanol? c) Is there total internal reflection at the methanol→ glass interface? Explain. d) What wavelength(s) of visible light will be only weakly reflected off of the air→ methanol interface? Note that visible light is from 380-750 nm and that “weakly reflected” means less light reaches an observer’s eye than would be normally expected.
Windshield contains 2.00 mm thick glass with an index of refraction of 1.518 and is coated with a 0.700 µm thick layer of methanol (n=1.329). There is the air surrounding the whole system . A ray of sunlight passes through the air and impinges on the methanol layer with an angle of 30.0° relative to the normal. a) What is the angle of refraction of the light at the air→methanol interface? b) What is the speed of light in methanol? c) Is there total internal reflection at the methanol→ glass interface? Explain. d) What wavelength(s) of visible light will be only weakly reflected off of the air→ methanol interface? Note that visible light is from 380-750 nm and that “weakly reflected” means less light reaches an observer’s eye than would be normally expected.
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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Windshield contains 2.00 mm thick glass with an index of refraction of 1.518 and is coated with a 0.700 µm thick layer of methanol (n=1.329). There is the air surrounding the whole system . A ray of sunlight passes through the air and impinges on the methanol layer with an angle of 30.0° relative to the normal.
a) What is the angle of refraction of the light at the air→methanol interface?
b) What is the
c) Is there total internal reflection at the methanol→ glass interface? Explain.
d) What wavelength(s) of visible light will be only weakly reflected off of the air→ methanol interface? Note that visible light is from 380-750 nm and that “weakly reflected” means less light reaches an observer’s eye than would be normally expected.
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