Completely plane-polarized light travels through the analyzer and the polarizer. The plane of polarization of the light is parallel to the analyzer transmission axis. According to Malus law, if the angle between the transmission axes of the analyzer and the polarizer is 60 degrees then the intensity of this light will decrease with respect to the initial intensity (before the polaryzer) by (times)
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Completely plane-polarized light travels through the analyzer and the polarizer. The plane of polarization of the light is parallel to the analyzer transmission axis. According to Malus law, if the angle between the transmission axes of the analyzer and the polarizer is 60 degrees then the intensity of this light will decrease with respect to the initial intensity (before the polaryzer) by (times)
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- More than one analyzer can be used in a setup like that in the drawing, each analyzer following the previous one. Suppose that the transmission axis of the first analyzer is rotated 15° relative to the transmission axis of the polarizer, and that the transmission axis of each additional analyzer is rotated 15° relative to the transmission axis of the previous one. What is the minimum number of analyzers needed for the light reaching the photocell to have an intensity that is reduced by at least a factor of 100 relative to that striking the first analyzer? Number i Unpolarized light Units Polarizer E cos 0 90° E Analyzer E cos 0 PhotocellUnpolarized light of intensity20.0 W/cm2 is incident on two polarizing filter. The axis of the first filter is at an angle of 25 degrees counterclockwise from the vertical and the axis of the second filter is 62 degrees counterclockwise from the vertical. a.) What is the intensity of the light after it has passed through the second polarizer?Unpolarized light with intensity 200 W/m^2 travelling to the right, is incident on the left-most polarizer and goes through all three polarizers of the figure. The dotted lines are the axes of polarization of each polarizer a) What is the intensity of light leaving the left-most polarizer? b) If the middle polarizer has an axis of polarization θ2 = 75º clockwise from the vertical (viewed in the direction the light is travelling), what is the intensity of light leaving the middle polarizer? c) If the right-most polarizer has an axis of polarization θ1 = 25º counterclockwise from the vertical (viewed in the direction the light is travelling), what is the intensity of light leaving the right-most polarizer?
- A wave is passing through two polarizers. It is an unpolarized electromagnetic wave, and it initially has a max electric field magnitude of 20000N/C. The 1st polarizer, polarizes at an angle of 20 degrees vertical. The 2nd polarizer, polarizes at an angle of 30 degrees horizontal. What would be the intensity of a light wave that passes through the two polarizers?A solar sail 32.5 m2 in area and made of an absorptive material is orbiting the Sun in space. The Sun light normally incident on the solar sail exerts a radiation pressure of 3.22E-6 N/m2 on it. If the material is replaced with a reflective material that can complete reflect the Sun light, what will the radiation pressure become (in N/m2)?Vertically polarized light of intensity lo is incident on a polarizer whose transmission axis is at an angle of 70° with the vertical. If the intensity of the transmitted light is measured to be 0.34W/m², the intensity lo of the incident light is O 1.71 W/m2 O 0.99 W/m² O 0.43 W/m2 O 2.91 W/m²
- More than one analyzer can be used in a setup like that in the drawing, each analyzer following the previous one. Suppose that the transmission axis of the first analyzer is rotated 29° relative to the transmission axis of the polarizer, and that the transmission axis of each additional analyzer is rotated 29° relative to the transmission axis of the previous one. What is the minimum number of analyzers needed for the light reaching the photocell to have an intensity that is reduced by at least a factor of 100 relative to that striking the first analyzer? Number i Unpolarized light Units Polarizer E cos 0 (90° .0 E E Analyzer E cos 0 PhotocellMore than one analyzer can be used in a setup like that in the drawing, each analyzer following the previous one. Suppose that the transmission axis of the first analyzer is rotated 23° relative to the transmission axis of the polarizer, and that the transmission axis of each additional analyzer is rotated 23⁰ relative to the transmission axis of the previous one. What is the minimum number of analyzers needed for the light reaching the photocell to have an intensity that is reduced by at least a factor of 100 relative to that striking the first analyzer? Unpolarized light Number Units Polarizer E cos 0 <90⁰ 0 E Analyzer E cos 0 PhotocellWe want to rotate the direction of polarization of a beam of polarized light through 90° by sending the beam through one or more polarizing sheets. (a) What is the minimum number of sheets required? (b) What is the minimum number of sheets required if the transmitted intensity is to be more than 83% of the original intensity?