Three polarizers are arranged as shown in the figure If the incident beam of lig

Question

Three polarizers are arranged as shown in the figure

If the incident beam of light is vertically polarized and has an intensity of 1.52W/m2 , find the transmitted intensity, when ?2 = 28.0? and ?3 = 56.0?.

If the incident beam of light is vertically polarized and has an intensity of 1.52W/m2 , find the transmitted intensity, when ?2 = 56.0? and ?3 = 28.0?.

Three polarizers are arranged as shown in the figure If the incident beam of light is vertically polarized and has an intensity of 1.52W/m2 , find the transmitted intensity, when ?2 = 28.0? and ?3 = 56.0?. If the incident beam of light is vertically polarized and has an intensity of 1.52W/m2 , find the transmitted intensity, when ?2 = 56.0? and ?3 = 28.0?.

Explanation / Answer

According to law of Mauls

I= Iocos^2 (theta)

For case 1, I1 = 1.52 cos^2 (28) =1.18 W/m^2

After passing through second polarizer, I= 1.18 cos^2 56=0.36 W/ m^2

For second case,

I= 0.36 W/m^2

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