Difficult Conceptual Question?? TBR

[SonhosDaVida]

Why does unpolarized monochromatic light falling on 2 polarizers whose axes are perpendicular to each other preclude any light transmission through the set up?

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[AdaptPrep]

Hi, SonhosDaVida--

This should help:

Perpendicular is 90 degrees. And (cos 90)^2 = 0.

 

[SonhosDaVida]

Thank you so much. This helps a lot