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Problem: Three polarizing filters are stacked, with the polarizing axis of the second and third filter at angles of 25.0^o and 90.0^o, respectively, to that of the first. If unpolarized light is incident on the stack, the light has an intensity of 50.5 W/m2 after it passes through the stack. If the incident intensity is kept constant:

Part I: What is the intensity of the incident light?

Part II: What is the intensity of the light after it has passed through the stack if the second polarizer is removed?

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