Elementary Treatise on the Wave-theory of LightLongman, Brown, Green, Longmans, and Roberts, 1857 - 208 páginas |
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Página 26
Humphrey Lloyd. become the centres of diverging spherical waves in the second medium , -the radii of these spheres , mo and m'o , being to the intercepts , nk and n'k , in the constant ratio of the velocities of propagation in the two ...
Humphrey Lloyd. become the centres of diverging spherical waves in the second medium , -the radii of these spheres , mo and m'o , being to the intercepts , nk and n'k , in the constant ratio of the velocities of propagation in the two ...
Página 61
... diverging cones of light will be thus produced ; and each of these cones will be surrounded by a penumbra in which the illumination is only partial . Now let these two beams be received on a screen at some distance , where the pen ...
... diverging cones of light will be thus produced ; and each of these cones will be surrounded by a penumbra in which the illumination is only partial . Now let these two beams be received on a screen at some distance , where the pen ...
Página 63
... diverge at the same time from two centres , they will arrive at the same point in the same phase , provided that the ... diverging from the two apertures O and O ' , be received on a screen , AD , it is found that the central bright band ...
... diverge at the same time from two centres , they will arrive at the same point in the same phase , provided that the ... diverging from the two apertures O and O ' , be received on a screen , AD , it is found that the central bright band ...
Página 66
... diverging from the focus of a lens is suffered to fall upon them ; and there will be there- fore two reflected beams , whose directions are inclined at a very small angle . Here , then , are two beams diverging from the same luminous ...
... diverging from the focus of a lens is suffered to fall upon them ; and there will be there- fore two reflected beams , whose directions are inclined at a very small angle . Here , then , are two beams diverging from the same luminous ...
Página 68
... diverging from the luminous origin shall be reflected at an angle of nearly 90 ° . A screen placed on the other side of the mirror will receive both the direct and re- flected pencils ; and as they meet under a small angle , and have ...
... diverging from the luminous origin shall be reflected at an angle of nearly 90 ° . A screen placed on the other side of the mirror will receive both the direct and re- flected pencils ; and as they meet under a small angle , and have ...
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Palavras e frases frequentes
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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