24_Ch 24 College Physics ProblemCH24 Wave Optics

24_Ch 24 College Physics ProblemCH24 Wave Optics - 326...

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326 CHAPTER 24 24.48 The polarizing angle for light in air striking a water surface is 11 2 1 1.333 tan tan 53.1 1.00 p n n θ −−  == =    ° This is the angle of incidence for the incoming sunlight (that is, the angle between the incident light and the normal to the surface). The altitude of the Sun is the angle between the incident light and the water surface. Thus, the altitude of the Sun is 90.0 90.0 53.1 36.9 p αθ −° = ° 24.49 The polarizing angle is 2 1 1.65 tan tan 58.8 1.00 p n n =  ° When the light is incident at the polarizing angle, the angle of refraction is 90.0 rp θθ 90.0 58.8 31.2 24.50 The critical angle for total reflection is ( ) 1 21 sin c nn = . Thus, if 34.4 c as light attempts to go from sapphire into air, the index of refraction of sapphire is 2 1 1.00 1.77 sin
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This note was uploaded on 12/09/2011 for the course PHYS 2020 taught by Professor Staff during the Fall '10 term at FIU.

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