Unpolarized light passes through a combination of two ideal polarizers. the transmission axes of the first polarizer and the second polarizer are at 30.0° to each other. what percentage of the original light gets through the combination?

62.5 %

Explanation:

Let the initial intensity of unpolarized light is Io.

After first polariser the intensity of light becomes I'.

So,

Now it passes through another polariser. The angle between the first polariser and the second polariser is given by Ф. The intensity is I''.

According to the law of Malus

Here, Ф = 30 degree

The percentage change in the intensity is given by

= 62.5 %

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