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An unpolarized light passes through three polarizing sheets whose polarising directions make an angle 30, 60, and 30 degrees with the y-axis in the same sense.  The fraction 9/x of initial intensity is transmitted by the system.  Find x

 

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B. Haranadh Kumar
B. Haranadh KumarLv10
16 Oct 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Unpolarized light passes through two polaroid sheets. The axis of the first is vertical, and that of the second is at 36.0° to the vertical. What fraction of the initial light is transmitted?  

The light in Problem 62 travels toward a workbench and encounters two polarizing filters.

a. If the light passes first through a filter with its transmission axis at an angle of from the z direction, and then through a filter with its transmission axis at an angle of from the z direction, what is the final intensity of the transmitted light?

b. If, instead, the light passes first through a filter with its transmission axis at an angle of from the z direction, and then through a filter with its transmission axis at an angle of from the z direction, what is the final intensity of the transmitted light?

 

Problem 62:

Suppose you have a polarized light source in your lab that has an intensity of , where the electric field oscillates in the z direction. The light travels toward a workbench where you can send it through either one of two polarizing filters.

a. If the light passes through a filter with its transmission axis at an angle of from the z direction, what is the intensity of the transmitted light?

b. If, instead, the light passes through a filter with its transmission axis at an angle of 90.0° from the z direction, what is the intensity of the transmitted light?

 This problem deals with light passing through a succession of polarizers as indicated in the sketch:

Unpolarized light, with an intensity of 1000 W/m2 is incident on the first polarizer. The light now passes through a second polarizer, which has its transmission axis rotated by 30 degrees relative to the axis of the first polarizer. What is the intensity of the light transmitted by the second polarizer?

The light transmitted by the second polarizer now encounters a third polarizer, which has its transmission axis oriented at 90 degrees relative to the first polarizer. What is the intensity of the light transmitted by the third polarizer?

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