Elementary Treatise on the Wave-theory of LightLongman, Brown, Green, Longmans, and Roberts, 1857 - 208 páginas |
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Página 34
... pencils of homogeneous light suffer no dilatation by the prism , each will depict on the screen a circular image , equal in magnitude to the unrefracted image of the Sun at the same distance ; so that the spectrum consists of ...
... pencils of homogeneous light suffer no dilatation by the prism , each will depict on the screen a circular image , equal in magnitude to the unrefracted image of the Sun at the same distance ; so that the spectrum consists of ...
Página 45
... pencils , each of which pursues a separate course , determined by a distinct law . This property is called double refraction . It was first dis- covered by Erasmus Bartholinus , in the well - known mineral called Iceland spar . After a ...
... pencils , each of which pursues a separate course , determined by a distinct law . This property is called double refraction . It was first dis- covered by Erasmus Bartholinus , in the well - known mineral called Iceland spar . After a ...
Página 46
... pencils . In Iceland spar , the substance in which the property was first discovered , the separation of the pencils is very striking : and , as this mineral is found in considerable masses , and in a state of great purity and ...
... pencils . In Iceland spar , the substance in which the property was first discovered , the separation of the pencils is very striking : and , as this mineral is found in considerable masses , and in a state of great purity and ...
Página 47
... pencils on a screen . If now we examine the course of the two rays within the crystal , we shall find that , at a perpendicular incidence , the deviation of one of them is nothing ; that , at any other inci- dence , the ray is bent ...
... pencils on a screen . If now we examine the course of the two rays within the crystal , we shall find that , at a perpendicular incidence , the deviation of one of them is nothing ; that , at any other inci- dence , the ray is bent ...
Página 54
... pencils greatest , the prism should be cut with its edge parallel to the optic axis ; so that the refraction may take place in a plane perpendicular to the axis . In this case the ordinary and extraordinary re- fractions differ by the ...
... pencils greatest , the prism should be cut with its edge parallel to the optic axis ; so that the refraction may take place in a plane perpendicular to the axis . In this case the ordinary and extraordinary re- fractions differ by the ...
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Términos y frases comunes
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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