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Construction: The polarimeter consists of a monochromatic source S which is placed at focal point of a convex lens L. Just after the convex lens there is a Nicol Prism P which acts as a polariser. H is a half shade device which divides the field of polarized light emerging out of the Nicol P into two halves, generally of unequal brightness.
Two common types of waveplates are the half-wave plate, which rotates the polarization direction of linearly polarized light, and the quarter-wave plate, which converts between different elliptical polarizations (such as the special case of converting from linearly polarized light to circularly polarized light and vice versa.) [1]
Displays based on this principle are widespread, and now are used in the vast majority of televisions, computer monitors and video projectors, rendering the previous CRT technology essentially obsolete. The use of polarization in the operation of LCD displays is immediately apparent to someone wearing polarized sunglasses, often making the ...
Progression of the most-viewed video on YouTube Video name Uploader Views at achievement* Publication date Date achieved Days after upload Days held Takedown date Ref Notes "Baby Shark Dance" [7] Pinkfong Baby Shark - Kids' Songs & Stories: 7,046,700,000: June 17, 2016: November 2, 2020 1600 1,492 "Despacito" [10] Luis Fonsi: 2,993,700,000 ...
The time it takes light to traverse back-and-forth along the Lorentz–contracted length of the longitudinal arm is given by: = + = / + / + = / = where T 1 is the travel time in direction of motion, T 2 in the opposite direction, v is the velocity component with respect to the luminiferous aether, c is the speed of light, and L L the length of the longitudinal interferometer arm.
Wage growth, an important measure for gauging inflation pressures, rose 0.4% in November, in line with October's increase and higher than the 0.3% rise economists had expected.
NASCAR’s Cup Series championship race at Phoenix was red-flagged on lap 69 because of a not-so-nice incident involving the pace car. As the pace car led the field to green for a restart after ...
Sir David Brewster KH PRSE FRS FSA Scot FSSA MICE (11 December 1781 – 10 February 1868) was a Scottish scientist, inventor, author, and academic administrator. In science he is principally remembered for his experimental work in physical optics, mostly concerned with the study of the polarization of light and including the discovery of Brewster's angle.