Answered: A ray of light strikes a surface at an…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter25: Geometric Optics

Section: Chapter Questions

Problem 22PE: An optical fiber uses flint glass clad with crown glass. What is the critical angle?

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A ray of light strikes a surface at an angle of 72.2° with respect to the normal. Use your knowledge on reflection and refraction of light to draw the reflected and/or refracted rays through the crown glass and the materials A (nA=1.6) and B (nB=1.362). Justify your answers Note: your illustration must include the significant angles such as the angles of reflection and refraction.)

angle of
crown glass 72.2°
Material A
Material B

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