Elementary Treatise on the Wave-theory of Light |
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Page vii
... square of distance . ( 7 , 8 ) Measure of illumination ; photometry . ( 9 , 10 ) Velocity of light determined by eclipses of Jupiter's satellites - by aber- ration of fixed stars . ( 11 ) M. Fizeau's experiment . ( 12 ) Two theories of ...
... square of distance . ( 7 , 8 ) Measure of illumination ; photometry . ( 9 , 10 ) Velocity of light determined by eclipses of Jupiter's satellites - by aber- ration of fixed stars . ( 11 ) M. Fizeau's experiment . ( 12 ) Two theories of ...
Page 3
... square of its radius . Hence the intensity of the light is inversely as the square of the radius , i . e . inversely as the square of the distance . Let the light be supposed to emanate from the points of an uniformly luminous surface ...
... square of its radius . Hence the intensity of the light is inversely as the square of the radius , i . e . inversely as the square of the distance . Let the light be supposed to emanate from the points of an uniformly luminous surface ...
Page 15
... square of the amplitude of the vibration . From this it follows that the intensity of the light diverging from any lumi- nous origin must decrease inversely as the square of the dis- tance ; for , from the laws of wave propagation it ...
... square of the amplitude of the vibration . From this it follows that the intensity of the light diverging from any lumi- nous origin must decrease inversely as the square of the dis- tance ; for , from the laws of wave propagation it ...
Page 22
... square of the perpendicular velocity of the molecule , by an amount which is constant for the same medium ; from which it follows , that the sines of the angles which its course makes with the perpendicular to the surface , before and ...
... square of the perpendicular velocity of the molecule , by an amount which is constant for the same medium ; from which it follows , that the sines of the angles which its course makes with the perpendicular to the surface , before and ...
Page 58
... square of the amplitude of vibration ; the intensity , there- fore , is quadrupled in the former case , and destroyed in the latter . - We have here taken , for the sake of illustration , two of the most important cases , those , namely ...
... square of the amplitude of vibration ; the intensity , there- fore , is quadrupled in the former case , and destroyed in the latter . - We have here taken , for the sake of illustration , two of the most important cases , those , namely ...
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Common terms and phrases
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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