A Treatise on Physical OpticsDeighton, Bell, 1892 - 411 páginas |
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Página v
... ether may , at the present day , be regarded as a scientific axiom , which is as firmly established as any other scientific law , yet the properties of the ether are almost entirely unknown to us . We are therefore unable to start with ...
... ether may , at the present day , be regarded as a scientific axiom , which is as firmly established as any other scientific law , yet the properties of the ether are almost entirely unknown to us . We are therefore unable to start with ...
Página vi
... ether , which are capable of being expressed in a mathematical form , and then to trace the consequences to which they lead us . The only means at our disposal for testing the correctness of any hypothesis , which forms the foundation ...
... ether , which are capable of being expressed in a mathematical form , and then to trace the consequences to which they lead us . The only means at our disposal for testing the correctness of any hypothesis , which forms the foundation ...
Página ix
... Ether 4. Green's dynamical theory 5. Theories based upon the mutual reaction of ether and matter 6. Clerk - Maxwell's electromagnetic theory . 7. Plan of this treatise 8. Plane waves 9. Phase , velocity and wave - length of a plane wave ...
... Ether 4. Green's dynamical theory 5. Theories based upon the mutual reaction of ether and matter 6. Clerk - Maxwell's electromagnetic theory . 7. Plan of this treatise 8. Plane waves 9. Phase , velocity and wave - length of a plane wave ...
Página xv
... DIFFRACTION . 215. The equations of motion of the ether 216. Propagation of an arbitrary disturbance 217. Poisson's solution of the equation a2 v2p = 223 224 225 ART . PAGE 218. Character of the disturbance represented by.
... DIFFRACTION . 215. The equations of motion of the ether 216. Propagation of an arbitrary disturbance 217. Poisson's solution of the equation a2 v2p = 223 224 225 ART . PAGE 218. Character of the disturbance represented by.
Página xvi
... ether 220. The initial velocities and displacements 221. Determination of that portion of the displacement , which depends on the initial rate of dilatation 226 226 227 227 222. Determination of that portion of the displacement , which ...
... ether 220. The initial velocities and displacements 221. Determination of that portion of the displacement , which depends on the initial rate of dilatation 226 226 227 227 222. Determination of that portion of the displacement , which ...
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Términos y frases comunes
A₁ accordingly amplitude angle of incidence aperture axis bands biaxal crystal centre change of phase circularly polarized colours cos² critical angle diffraction direction of vibration displacement dx dy elastic ellipsoid elliptically polarized equal equations of motion ether extraordinary ray extraordinary wave follows formulæ Fresnel's glass Hence Iceland spar incident light index of refraction integral intensity light is incident light is polarized Lord Rayleigh medium Nicol normal obtain optic axes parallel perpendicular plane of incidence plane of polarization plate of quartz polarized light polarized perpendicularly polarizing angle prism produced quantity quartz reflected and refracted reflected light refracted wave rhomb right-handed rings rotation sin² spectrum suppose surface theory thickness transmitted transparent U₁ uniaxal crystal V₁ values velocity of propagation wave-front wave-length wave-surface whence whilst μ²
Pasajes populares
Página 372 - Nicol's prism turned in any way. [Shown.] (5) The spectrum of the reflected light is frequently found to consist almost entirely of a comparatively narrow band. When the angle of incidence is increased, the band moves in the direction of increasing refrangibility, and at the same time increases rapidly in width. In many cases the reflection appears to be almost total.
Página 356 - The difference between these numbers is greater than can be accounted for by errors of observation, and shows that our theories of the structure of bodies must be much improved before we can deduce their optical from their electrical properties. At the same time, I think that the agreement of the numbers is such that if no greater discrepancy were found between the numbers derived from the optical and...
Página 347 - To fill all space with a new medium whenever any new phenomenon is to be explained is by no means philosophical, but if the study of two different branches of science has independently suggested the idea of a medium, and if the properties which must be attributed to the medium in order to account for electromagnetic phenomena are of the same kind as those which, we attribute to the luminiferous medium in order to account for the phenomena of light, the evidence for the physical existence of the medium...
Página 347 - But the properties of bodies are capable of quantitative measurement. We therefore obtain the numerical value of some property of the medium, such as the velocity with which a disturbance is propagated through it, which can be calculated from electromagnetic experiments, and also observed directly in the case of light. If it should be found that the velocity of propagation of electromagnetic disturbances is the same as the velocity of light, and this not only in air, but in other transparent media,...