ANSWER ALL PARTS AND SHOW WORK FOR LIFESAVER RATING. THANKS IP A Beam of vertica

Question

ANSWER ALL PARTS AND SHOW WORK FOR LIFESAVER RATING. THANKS

IP A Beam of vertically polarized light encounters two polarizing filters, as shown in the (figure 1). Rank the three cases. A, B, and C, in order of decreasing transmitted intensity. Indicate ties where appropriate. Rank from greatest to smallest. To rank items as equivalent, overlap them. The correct ranking cannot be determined. Figure1 Calculate the transmitted intensity for each of the cases in figure 1), assuming that the incident intensity is 36.0W/m2 - Verify that your numerical results agree with the rankings in part (a)

Explanation / Answer

by malu's law

in case 1

I*cos45^2*cos90-45^2=0.25I

case 2 Icos45^4=0.25I

case 3 Icos45^2*cos(90)^2=0

so Ia=Ib>Ic

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