The angle of incidence of a light beam in air onto a reflecting surface is continuously variable. The reflected ray is found to be completely polarized when the angle of incidence is 57.0°. (a) What is the index of refraction of the reflecting material? (b) If some of the incident light (at an angle of 57.0°) passes into the material below the surface, what is the angle of refraction?

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The angle of incidence of a light beam in air
onto a reflecting surface is continuously
variable. The reflected ray is found to be
completely polarized when the angle of
incidence is 57.0°.
(a) What is the index of refraction of the
reflecting material?
(b) If some of the incident light (at an angle of
57.0°) passes into the material below the
surface, what is the angle of refraction?
Transcribed Image Text:The angle of incidence of a light beam in air onto a reflecting surface is continuously variable. The reflected ray is found to be completely polarized when the angle of incidence is 57.0°. (a) What is the index of refraction of the reflecting material? (b) If some of the incident light (at an angle of 57.0°) passes into the material below the surface, what is the angle of refraction?
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