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25.6 Polarization and light reflection
* An unpolarized beam of light passes through two polarizing sheets that are initially aligned so that the transmitted beam is maximal. By what angle should the second polarized sheet be rotated relative to the first to reduce the transmitted intensity to (a) one-half and (b) one-tenth the intensity that was transmitted through both polarizing sheets when aligned?
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- You use a sequence of ideal polarizing filters, each with its axis making the same angle with the axis of the previous filter, to rotate the plane of polarization of a polarized light beam by a total of 45.0. You wish to have an intensity reduction no larger than 10.0%. (a) How many polarizers do you need to achieve your goal? (b) What is the angle between adjacent polarizers?arrow_forwardPart of the light passing through the air is scattered in all directions by the molecules comprising the atmosphere. The wavelengths of visible Light are larger than molecular sizes, and the scattering is strongest for wavelengths of light closest to sizes of molecules. (a) Which of the main colors of light is scattered the most? (b) Explain why this would give the sky its familiar background color at midday.arrow_forwardUnpolarized light with intensity 340 W/m² passes first through a polarizing filter with its axis vertical, then through a second polarizing filter. It emerges from the second filter with intensity 140 W/m². You may want to review (Pages 897-898) Part A What is the angle from vertical of the axis of the second polarizing filter? Express your answer to two significant figures and include the appropriate units. A= μ Submit HÅ Ω Value % 0 O А X Previous Answers Request Answer ?arrow_forward
- 24.2 Suppose you have a polarized light source in your lab that has an intensity of 1154 W/m2, 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 45.0° from the z direction, what is the intensity of the transmitted light? W/m2(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? W/m2arrow_forwardUnpolarized light with intensity 300 W/m² passes first through a polarizing filter with its axis vertical, then through a second polarizing filter. It emerges from the second filter with intensity 131 W/m². Part A What is the angle from vertical of the axis of the second polarizing filter? Express your answer with the appropriate units. ► View Available Hint(s) 0 = Value Submit Previous Answers Units ? X Incorrect; Try Again; 14 attempts remainingarrow_forward2. If horizontally polarized light hits a 2/4 plate at an angle of 23° from its fast axis. What is the Jones Vector for the polarization of light after the 2/4 plate? What device(s) would you need to place after the 2/4 plate to produce vertically polarized light? If the initial horizontally polarized light is lo, what is the intensity of the vertically polarized light?arrow_forward
- Item 3 Unpolarized light passes through two polarizers whose transmission axes are at an angle of 30.0° with respect to each other. Part A What fraction of the incident intensity is transmitted through the polarizers? ► View Available Hint(s) 5 ΑΣΦ Submit ?arrow_forwardItem 13 Unpolarized light passes through two polarizers. Part A What should be the angle between the transmission axes of the polarizers if it is desired that one-tenth of the incident intensity be transmitted? 0 = Submit —| ΑΣΦ Provide Feedback Request Answer ? Oarrow_forwardResources LEve Un A beam of initially unpolarized light passes through a sequence of three ideal polarizers. The angle o12 between the axes of the first and second polarizers is 18.9°, and the angle p23 between the axes of the second and third polarizers is 58.9°. P12 I, What is the ratio of the intensity 13 of light emerging from the third polarizer to the intensity Io of light incident on the first polarizer? Ioarrow_forward
- Question 6 The transmission axes of two polarizing sheets are initially parallel. Through what angle must the second sheet be rotated so that the intensity of the transmitted light is 12.5 % of the intensity of the incident unpolarized light?arrow_forward4 57°F Sunny Exam in Progress S Additional Question: Plane polarized light of intensity lo passes through two polarizers, the first one at 45 degrees to the original plane of polarization and the second rotated an additional 45 degrees more so that it is perpendicular to the original plane of polarization. What is the intensity of the light after passing through both polarizers? O 0.13% O 0.25% O 0.50% O 0.35/ 3 00 Q Search $4 Il app.honorlock.com is sharing your screen. Stop sharing Hide 99+ a hp 35 2 G F 3 е Varrow_forwardUnpolarized light with intensity Io is incident on an ideal polarizing filter. The emerging light strikes a second ideal polarizing fiter whose axis is at 38 0 to that of the first 4 Part A Determine the intensity of the beam after it has passed through the second polarizer Express your asnwer as a multiple of intensity lo. [IG] ΑΣΦ Submit Part B Request Answer Determine its state of polarization Submit O The light is linearly polarized along the axis of the first filter O The light is linearly polarized along the axis of the second fiter O The light is linearly polarized perpendicular to the ads of the second filter The light is linearly polarized perpendicular to the aus of the first fitor Hewest Answe < Return to Assignment 10 Provide Feedbackarrow_forward
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers, Technology ...PhysicsISBN:9781305116399Author:Raymond A. Serway, John W. JewettPublisher:Cengage Learning
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