Question A4A single linear polariser has an intensity transmittance of 90% for light plane-polarised at theangle of maximum transmittance, and negligible transmittance for the perpendicular polarisation.Two such identical polarisers are set up in series; the first has transmission axis vertical, andthe second has transmission axis at 40 degrees from the vertical. Unpolarised light of intensity20 W m -2 is incident on the first polariser.Calculate the intensity transmitted after the second polariser, and specify the transmitted polari-sation state.

When unpolarized light passes through a linear polarizer, it becomes linearly polarized with an…

Answered: A single linear polariser has an…

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