Three polarizing filters are arranged in such a way that the axis of the transmission of the second filter is 10 degress with respect to the first filter. The third filter's axis is 20 degrees with respect to the second filter. Find the intensity of a light after passing from the second filter that has an original intensity of 10 W/m^2. Assume that the first polarizer is an ideal polarizer.

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Three polarizing filters are arranged in such a way that the axis of the transmission of the second filter is 10 degress with respect to the first filter. The third filter's axis is 20 degrees with respect to the second filter. Find the intensity of a light after passing from the second filter that has an original intensity of 10 W/m^2. Assume that the first polarizer is an ideal polarizer. 
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