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Which mechanism causes light reduction through polarizing filters?

A)Malus's Law reduces light intensity
B)Brewster's angle induces full reflection
C)Snell's Law redirects incident light
D)Doppler shift alters light frequency

💡 Explanation

Applying vertically aligned filter blocks horizontally polarized light because Malus's Law governs the intensity of transmitted light through a polarizer based on the cosine squared of the angle, therefore option A is valid rather than the other options which are less impactful.

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