Elementary Treatise on the Wave-theory of LightLongman, Brown, Green, Longmans, and Roberts, 1857 - 208 страници |
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Страница 37
... bright bands , instead of dark ones . The flames of oil , hydro- gen , and alcohol , have each a brilliant line between the red and the yellow . The red flames coloured by nitrate of strontian ex- hibit a brilliant blue line , which is ...
... bright bands , instead of dark ones . The flames of oil , hydro- gen , and alcohol , have each a brilliant line between the red and the yellow . The red flames coloured by nitrate of strontian ex- hibit a brilliant blue line , which is ...
Страница 61
... bright and dark bands , formed at those points where the waves proceeding from the two origins conspire , or are opposed . That these alternations of light and darkness are caused by the mutual action of the two beams , is proved by the ...
... bright and dark bands , formed at those points where the waves proceeding from the two origins conspire , or are opposed . That these alternations of light and darkness are caused by the mutual action of the two beams , is proved by the ...
Страница 63
... bright band , then , is formed at those points where the distances tra- versed are equal . The next bright band on either side is pro- duced where the distances traversed differ by the length of one entire wave ; the succeeding pair ...
... bright band , then , is formed at those points where the distances tra- versed are equal . The next bright band on either side is pro- duced where the distances traversed differ by the length of one entire wave ; the succeeding pair ...
Страница 64
Humphrey Lloyd. side of the central bright one , and , beyond these , a pair of bright bands . If we measure the distances of one of these from the two apertures , we shall find that their difference , BO ́– BO , is a constant quantity ...
Humphrey Lloyd. side of the central bright one , and , beyond these , a pair of bright bands . If we measure the distances of one of these from the two apertures , we shall find that their difference , BO ́– BO , is a constant quantity ...
Страница 65
... bright bands , and the odd values to those of the dark ones . x The preceding formula enables us to compute the length of a wave of light , when the distances b , c , and a have been determined by accurate measurement . It has been ...
... bright bands , and the odd values to those of the dark ones . x The preceding formula enables us to compute the length of a wave of light , when the distances b , c , and a have been determined by accurate measurement . It has been ...
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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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