Fig. 33-66, unpolarized light with an intensity of 25 W/m2
Chapter 33, Problem 76(choose chapter or problem)
Fig. 33-66, unpolarized light with an intensity of 25 W/m2 is sent into a system of four polarizing sheets with polarizing directions at angles 81 = 40, O2 = 20, 03 = 20, and 04 = 30. What is the intensity of the light that emerges from the system?
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