Elementary Treatise on the Wave-theory of LightLongman, Brown, Green, Longmans, and Roberts, 1857 - 208 страници |
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Страница 13
... this description that a wave , or undulation , comprises particles in every phase of their vibration . Now , instead of a single string , let us suppose an infinite number , all diverging from the same centre ; and PROPAGATION OF LIGHT .
... this description that a wave , or undulation , comprises particles in every phase of their vibration . Now , instead of a single string , let us suppose an infinite number , all diverging from the same centre ; and PROPAGATION OF LIGHT .
Страница 14
Humphrey Lloyd. number , all diverging from the same centre ; and let us sup- pose that they are each made to undulate by a disturbing action at that centre , acting in a similar manner , and in the same degree , on all . It is obvious ...
Humphrey Lloyd. number , all diverging from the same centre ; and let us sup- pose that they are each made to undulate by a disturbing action at that centre , acting in a similar manner , and in the same degree , on all . It is obvious ...
Страница 15
... diverging from any lumi- nous origin must decrease inversely as the square of the dis- tance ; for , from the laws of wave propagation it appears that the space of vibration diminishes in the inverse simple ratio of the distance . Thus ...
... diverging from any lumi- nous origin must decrease inversely as the square of the dis- tance ; for , from the laws of wave propagation it appears that the space of vibration diminishes in the inverse simple ratio of the distance . Thus ...
Страница 24
... diverging from the several points of the bounding surface . But , by the principle of the coexistence of small motions , the agitation of any particle of either medium is the sum of the agitations sent there at the same instant 24 ...
... diverging from the several points of the bounding surface . But , by the principle of the coexistence of small motions , the agitation of any particle of either medium is the sum of the agitations sent there at the same instant 24 ...
Страница 25
... diverging from m ' will in the same time have reached the spherical sur- face whose radius , m'o ' , is equal to n'k . The surface which touches all these spheres at any instant is that of the re- flected wave . But , as mo and m'o ...
... diverging from m ' will in the same time have reached the spherical sur- face whose radius , m'o ' , is equal to n'k . The surface which touches all these spheres at any instant is that of the re- flected wave . But , as mo and m'o ...
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angle of incidence aperture axes azimuth bands beam bright bands centre circularly polarized coincides colours common light corresponding Crown 8vo crystal dark denote deviation diameter difference of phase diffraction direction distance diverging double refraction edge effect elasticity elliptically polarized equal ether Fresnel fringes glass Iceland spar inci incident light incident ray inclined intensity interference interval of retardation Jamin length light reflected luminous origin medium metal mirror molecules Newton observed opposite optic axis parallel particles perpendicular plane phenomena plane of incidence plane of polarization plane of reflexion plane-polarized polarized light polarized ray polarizing angle portions position Post 8vo principal section prism produced propagated ratio reflected light reflected pencil refracted rays refractive index refrangibility result rhombohedron right angles rings Second Edition shadow spectrum square substance thickness tion transmitted traversed undulation vary velocity velocity of propagation vibrations vols wave-theory Woodcuts
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