Snell's Law states that when a ray passes from one medium into another, the sine of the angle of incidence a varies directly with the sine of the angle of refraction B. This phenomenon is modeled by the formula sin a = ksin B, where k is called the index of refraction. Note the angle 0 is the angle at which the light strikes the surface, so that a = 90° – 0. a. A ray of light passes from air into water, striking the water at an angle of 55°. Find the angle of incidence a and the angle of refraction B, if the index of refraction for water is k = 1.33. b. Find the index of refraction for ethyl alcohol if a beam of light strikes the surface of this medium at an angle 40° and produces an angle of refraction B = 34.3°. Use the index to find the angle of incidence if a second beam of light created an angle of refraction measuring 15°. %3D
Snell's Law states that when a ray passes from one medium into another, the sine of the angle of incidence a varies directly with the sine of the angle of refraction B. This phenomenon is modeled by the formula sin a = ksin B, where k is called the index of refraction. Note the angle 0 is the angle at which the light strikes the surface, so that a = 90° – 0. a. A ray of light passes from air into water, striking the water at an angle of 55°. Find the angle of incidence a and the angle of refraction B, if the index of refraction for water is k = 1.33. b. Find the index of refraction for ethyl alcohol if a beam of light strikes the surface of this medium at an angle 40° and produces an angle of refraction B = 34.3°. Use the index to find the angle of incidence if a second beam of light created an angle of refraction measuring 15°. %3D
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter25: Reflection And Refraction Of Light
Section: Chapter Questions
Problem 7OQ: Light traveling in a medium of index of refraction n1 is incident on another medium having an index...
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