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  Home : Math & Science : Physics Study Guides : Optics : Phenomena : Problems on Polarization
Optical Phenomena
 
 
Problems on Polarization
Problem 3.1: A polaroid sheet and an analyzer are placed such that their transmission axes are co-linear. The analyzer is then rotated by 22.5o. What is the irradiance of the transmitted light as a fraction of its previous value? [Solution]
Problem 3.2: You have three ideal linear polarizers. Light of irradiance 1000 W/m2 is shone through two of the polarizers, with their transmission axes placed at a relative angle of 40o. What is the intensity of the transmitted light? Now place the third polarizer at an angle of 20o between the other two. What is the irradiance? [Solution]
Problem 3.3: What is Brewster's angle for reflection from air off a glass (n = 1.52) surface? [Solution]
Problem 3.4: Consider the following waves:


Ex   =
Excos(kz - ωt)
 
Ey   =
Eysin(kz - ωt + 2π)
 

If these waves overlap at a particular point, what is the polarization of the resulting wave (assume Ex = Ey)? [Solution]
Problem 3.5: Write the equation for the linearly polarized light wave of angular frequency ω and amplitude E0 propagating along the x-axis with its plane of vibration at 30o to the xy-plane (assume that E = 0 when x = 0 and t = 0). [Solution]
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