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(a) The drawing shows four sheets of polarizing material, each with its transmission axis oriented differently. Light that is polarized in the vertical direction is...

Question

(a) The drawing shows four sheets of polarizing material, each with its transmission axis oriented differently. Light that is polarized in the vertical direction is incident from the left and has an average intensity of $27 \mathrm{~W} / \mathrm{m}^{2}$. Determine the average intensity of the light that emerges on the right in the drawing when sheet $\mathrm{A}$ alone is removed, when sheet $\mathrm{B}$ alone is removed, when sheet $\mathrm{C}$ alone is removed, and when sheet $\mathrm{D}$ alone

(a) The drawing shows four sheets of polarizing material, each with its transmission axis oriented differently. Light that is polarized in the vertical direction is incident from the left and has an average intensity of $27 \mathrm{~W} / \mathrm{m}^{2}$. Determine the average intensity of the light that emerges on the right in the drawing when sheet $\mathrm{A}$ alone is removed, when sheet $\mathrm{B}$ alone is removed, when sheet $\mathrm{C}$ alone is removed, and when sheet $\mathrm{D}$ alone is removed.



Answers

(III) Four polarizers are placed in succession with their axes vertical, at 30.0$^\circ$ to the vertical, at 60.0$^\circ$to the vertical, and at 90.0$^\circ$to the vertical. (a) Calculate what fraction of the incident unpolarized light is transmitted by the four polarizers. (b) Can the transmitted light be decreased by removing one of the polarizers? If so, which one? (c) Can the transmitted light intensity be extinguished by removing polarizers? If so, which one(s)?


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