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Polarization of Light Waves

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Unpolarized light passes through two polaroid sheets. The axis of the first is vertical, and that of the second is at 26.0° to the vertical. What fraction of the initial light is transmitted?

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Solution Summary

The solution calculates the fraction of light that is transmitted.

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Let the intensity of unpolarized light be I
Then the intensity of light beyond the first polaroid sheet will be I / 2.
If we denote this intensity by I1 then I1= I /2
(This is because in the incident unpolarized light the amplitude of the electric vectors parallel to the the axis of the first polaroid ...

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