[Q7] Which one of the following sentences is an accurate statement about light? a. b. C. d. f. When light strikes a surface at Brewster's angle, the reflected and transmitted light are 100% polarized. When light strikes a surface at Brewster's angle, it is completely reflected at the surfac When light strikes a surface at Brewster's angle, only the reflected light is 100% polarized. When light strikes a surface at the critical angle, only the reflected light is 100% polarized. eWhen light strikes a surface at the critical angle, all the light passes through the surfa None of these statements are accurate.

[Q7] Which one of the following sentences is an accurate statement about light? a. b. C. d. f. When light strikes a surface at Brewster's angle, the reflected and transmitted light are 100% polarized. When light strikes a surface at Brewster's angle, it is completely reflected at the surfac When light strikes a surface at Brewster's angle, only the reflected light is 100% polarized. When light strikes a surface at the critical angle, only the reflected light is 100% polarized. eWhen light strikes a surface at the critical angle, all the light passes through the surfa None of these statements are accurate.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter25: Reflection And Refraction Of Light

Section: Chapter Questions

Problem 19P: Unpolarized light in vacuum is incident onto a sheet of glass with index of refraction n. The...

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Unpolarized light in vacuum is incident onto a sheet of glass with index of refraction n. The reflected and refracted rays are perpendicular to each other. Find the angle of incidence. This angle is called Brewsters angle or the polarizing angle. In this situation, the reflected light is linearly polarized, with its electric field restricted to be perpendicular to the plane containing the rays and the normal.
In each of the following situations, a wave passes through an opening in an absorbing wall. Rank the situations in order from the one in which the wave is best described by the ray approximation to the one ill which the wave coming through the opening spreads out most nearly equally in all directions in the hemisphere beyond the wall, (a) The sound of a low whistle at 1 kHz passes through a doorway 1 m wide, (b) Red light passes through the pupil of your eye. (c) Blue light passes through the pupil of your eye. (d) The wave broadcast by an AM radio station passes through a doorway 1 m wide, (e) An x-ray passes through the space between bones in your elbow Joint.
Unreasonable Results To save money on making military aircraft invisible to radar, an inventor decides to coat them with a non-reflective 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?
The angle of incidence of a light beam in air onto a reflecting surface b continuously variable. The reflected ray is found to be completely polarized when the angle of incidence is 48.0. (a) What is the index of refraction of the reflecting material? (b) If some of the incident light (at an angle of 48.0) passes into the material below the surface, what is the angle of refraction?
The index of refraction for water is about 43. What happens as a beam of light travels from air into water? (a) Its speed increases to 43c, and its frequency decreases. (b) Its speed decreases to 34c, and its wavelength decreases by a factor of 34. (c) Its speed decreases to 34c, and its wavelength increases by a factor of 43. (d) Its speed and frequency remain the same. (e) Its speed decreases to 34c, and its frequency increases.
(a) Light reflected at 62.5° from a gemstone in a ring is completely polarized. Can the gem be a diamond? (b) At what angle would the light be completely polarized if the gem was in water?
What angle is needed between the direction of polarized light and the axis of a polarizing filter to cut its intensity in half?
An unpolarized beam of light is incident on a series of two polarizers whose polarization axes form 30°. If the intensity of the incident light is 40 W/cm2, what will its intensity be after passing through the second polarizer? a. (120/√2) W/cm2 b. 40 W/cm2 c. 30 W/cm2 d. 20 W/cm2 e. 15 W/cm2
A light ray in air has an incident angle of 53.8ﾟ when it strikes the boundary of an unknown material. If the reflected ray is completely polarized so that the incident angle is the Brewster's angle what is the index of refraction of the unknown material? A. 1.25 B. .807 C. 1.69 D. .591 E. 1.37
An ideal polarizing sheet transmits 90% of the incident partially polarized light. The polarizing sheet is now rotated through 45 degrees; during the rotation process the transmitted light monotonically decreases in intensity. What fraction of the incident intensity now passes? O a. 0% O b. between 40% and 90% O c. Between 50% and 80% O d. 50% O e. Between 0 and 50%
A light beam has a wavelength of 660 nm in a material of refractive index 2.00. In another material of refractive index 3.00, its wavelength will be A. 440 nm B. 660 nm C. 1320 nm D. 990 nm E. 330 nm
Q: A material has an index-of-refraction that decreases with increasing frequency. EM waves at f = 1000 Hz and 1500 Hz are incident from air on the material at same incidence angle. Which frequency, if either, bends more from the path of its incident ray? Q: A light ray with 10 W/m2 intensity moving in the x-direction is polarized at 45° to both the y- and z-axes. It passes through a polarizer whose transmission axis is aligned with the y-axis. What is the intensity of the transmitted light?