Question: Two polarized sheets rotated at an angle of 90o with respect to each other will not let any light through. Three polarized sheets, each rotated

Two polarized sheets rotated at an angle of 90o with respect to each other will not let any light through. Three polarized sheets, each rotated at an angle of 45o with respect to each other, will let some light through. What will happen to unpolarized light if you align four polarized sheets each rotated at an angle of 30o with respect to the one in front of it?

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