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PHYSICS

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What is the direction (vertical or horizontal) of the transmission axis of Polaroid sunglasses? Give the physical reason for your answer.

  • PHYSICS -

    Polaroid filters are incorporated into sunglasses. Because the light reflecting off most surfaces will tend to be partly polarized with a predominance of the electric fields oscillating horizontally, that “glare” can be diminished by having the transmission axis of the Polaroid filters aligned vertically.
    http://www.physics.uc.edu/~sitko/LightColor/16-Polarization/polarization.htm

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