Therefore it was assumed that there is an ether which propagates light waves. The experiment of michelson and morley springerlink. These two scientists, albert michelson and edward morley, conducted one of the most important null result experiments in history at case western university in 1887. O experimento pretendia detectar o movimento relativo da materia no caso, do planeta. February 10, 2003 abstract it is argued that an unheralded moment marking the beginnings of relativity theory occurred in 1889, when g. Using an interferometer floating on a pool of mercury, they tried to determine the existence of an ether wind by observing interference patterns between two light beams. The experiment was performed between april and july 1887 by albert a. Pdf the radical reinterpretation of michelsonmorley s. Detecting the aether wind was the next challenge michelson set himself after his triumph in measuring the speed of light so accurately. Discover everything scribd has to offer, including books and audiobooks from major publishers. First performed in germany in 188081 by the physicist a. O experimento pretendia detectar o movimento relativo da materia no caso, do planeta terra atraves do eter estacionario. Naturally, something that allows solid bodies to pass through it freely is a little hard to get a grip on.
Unfortunately, a number of writers on this topic tend to gloss over, or sometimes mischaracterize, what this experiment demonstrated, its significance, and how it was a turning point in science which necessitated the adoption. View michelson morley experiment ppts online, safely and virusfree. The michelson morley experiment was an attempt to detect the existence of the luminiferous aether, a supposed medium permeating space that was thought to be the carrier of light waves. Michelsonmorley experiment, an attempt to detect the velocity of the earth with respect to the hypothetical luminiferous ether, a medium in space proposed to carry light waves. Fitzgerald, no doubt with the puzzling 1887 michelsonmorley experiment fresh in mind, wrote to.
Michelson, the test was later refined in 1887 by michelson. In 1864 james clerk maxwell showed that light is an electromagnetic wave. This device should have given a fringe shift of about 0. Morley at what is now case western reserve university in cleveland, ohio, and published in november of the same year. Velocidade da luz do sol terra era propagada pelo ter. Detectar o ter usando o movimento da terra atravs do espao. Scribd is the worlds largest social reading and publishing site. Michelsonmorley experiment used an interferometric technique to detect this effect and got a null result, which was the first strong evidence against existence of ether and eventually had a natural explanation in special theory of relativity. The fizeau experiment and its 1886 repetition by michelson and morley apparently confirmed the stationary aether with partial aether dragging, and refuted complete aether dragging. Pdf the idea of the michelsonmorley experiment is theoretically reanalyzed.