Light that is polarized along the vertical direction is incident on a sheet of p

Question

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. Only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. No light passes through the second sheet. What angle does the transmission axis of the second sheet make with the vertical? (Let the +y- axis represent the upward vertical direction. Express your answer as a value between 0 degree and 180 degree.) degree counter-clockwise from the +y-axis.

Explanation / Answer

After passing through first polariser light is polarised parallel ti transmission axis of first polariser,so it falls on second polariser oscillating parallel to first.

Intensity after second polariser is a. Function of square of cosine ofangle between transmission axis of second polariser and oscillation of light.so this angle is 90 degree as intensity is zero.

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