A polarized light is incident on several polarizing disks whose planesare parallel and centered on common axis. Suppose that the transmissionaxis ofthe first polarizer is rotated 20° relative to the axis of polarizationof the incidentand that the transmission axisofeachexis oflight,additional analyzer is rotated 20° relative to the transmission axisthe previous one. What is the minimum number of polarizerneeded (whole number), so the transmitted light through allpolarizing sheets has anStrikingintensity that is less then 10% thatthe first polarizer?

Step 1: Using Malus's LawMalus's Law states that the transmitted intensity through a polarizer is…

Answered: A polarized light is incident on…

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter1: The Nature Of Light

Section: Chapter Questions

Problem 70P: Three polarizing sheets are placed together such that the transmission axis of the second sheet is...

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Similar questions

If you have completely polarized light of intensity 150 W/m2 , what will its intensity be after passing through a polarizing filter with its axis at an 89.0 angle to the light’s polarization direction?
If a polarizing filter reduces the intensity of polarized light to 50.0% of its original value, by how much are the electric and magnetic fields reduced?
Check Your Understanding Although we did no specify the direction in Example 1.7, let’s say the polarizing filter was rotated clockwise by 71.6° to reduce the light intensity by 90.0%. What would be the intensity reduction if the polarizing filter were rotated counterclockwise by 71.6°’
An electric current through hydrogen gas produces several distinct wavelengths of visible light. What are the wavelengths of the hydrogen spectrum, if they form first-order maxima at angles 24.2°, 25.7°, 29.1°, and 41.0° when projected on a diffraction grating having 10,000 lines per centimeter?
Speculate as to s1at physical process might be responsible for light traveling more slowly in a medium than in a vacuum.
Check Your Understanding For the experiment in Example 4.2, at what angle from the center is the third maximum and what is its intensity relative to the central maximum?
What angle would the axis of a polarizing filter need to make with the direction of polarized light of intensity 1.00kW/m2 to reduce the intensity to 10.0W/m2 ?
It is found that when light traveling in water falls on a plastic block, Brewster’s angle is 50.0°. What is the refractive index of the plastic?
To save money on making military aircraft invisible to radar, an inventor decides to coat them with a nonreflective material having an index of refraction of 1.20, which is between that of air and the surface of the plane. This, he reasons, should be much cheaper than designing Stealth bombers. (a) What thickness should the coating be to inhibit the reflection of 4.00-cm wavelength radar? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?
(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically involve integrating or extending the concepts presented thus far.) . What is polarized light? How do Polaroid sunglasses exploit polanzation?
Suppose that in the preceding problem the light incident on P1 is unpolarized. At the determined value of , shat fraction of the incident light passes through the combination?
Check Your Understanding What happens at Brewster’s angle if the original incident light is already 100% vertically polarized?

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