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CE-17-SS2005 - CLASS EXERCISE#17 18 July 2005 Light at an...

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CLASS EXERCISE #17 - 18 July 2005 Light at an angle of incidence of 40° strikes a horizontal interface between water ( 1.33) and glass ( 1.50), coming from the water side. 8 œ 8 œ (a) Draw a diagram showing the incident ray and then sketch the reflected and refracted rays and determine their angles from the normal to the surface. The angle of reflection the angle of incidence 40°. œ œ The angle of refraction can be found from Snell's law:
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