PLEASE ANSWER ALL PARTS AND SHOW WORK FOR LIFESAVER RATING IP A beam of vertical

Question

PLEASE ANSWER ALL PARTS AND SHOW WORK FOR LIFESAVER RATING

IP A beam of vertically polarized light encounters two polarizing filters, as shown in the figure(figure1.) Rank the three cases. A, B, and C, in order of decreasing transmitted intensity. Rank cases from highest to lowest transmitted intensities. To rank items as equivalent, overlap them. The correct ranking cannot be determined. Calculate the transmitted intensity for each of the cases in the figure, assuming that the incident intensity is 21.0W/m2. Enter your answers numerically separated by commas.

Explanation / Answer

by malu's law

in case 1

I*cos22.5^2*cos90-22.5^2=0.125

case 2 Icos22.5^4=0.72

case 3 Icos22.5^2*cos(22.5+45)^2=0.125

so Ia=Ic<IB

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