Searching 2:55 PM capa9.phy.oh.o.edu Linearly polarized light with an intensity

Question

Searching 2:55 PM capa9.phy.oh.o.edu Linearly polarized light with an intensity of 4.90 W/m2 passes through a polarizer whose transmission axis is tilted at an angle of = 65.0° clockwise relative to the vertical. The polarization angle, , for the incoming light is 19.5° Linearly Polarized Light 7 What is the intensity of the light once it has passed through the polarizer? Subnmit Answer Tries 0/10 What is the angle of polarization of the light once it has passed through the polarizer? Measure the angle elative to the vertical. (Use deg for degrees.) Counter-clockwise Clockwise Submit Answer Tries 0/10

Explanation / Answer

as polarized light passes through the polarizer,

I = I1 (cos(phi))^2

phi = 65 - 19.5 = 45.5 deg

I = (4.90) (cos45.5)^2 = 2.41 W/m^2 .........Ans

angle of polarization = 65 deg  

clockwise .........Ans

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