Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 861
... spectrum , 1047. Modes of obtaining a pure spectrum either virtual or real , 1048 . Fraunhofer's lines , 1049. Invisible ends of spectrum , 1050. Phosphorescence and fluorescence , 1051. Decomposition of white light , 1052. Spectroscope ...
... spectrum , 1047. Modes of obtaining a pure spectrum either virtual or real , 1048 . Fraunhofer's lines , 1049. Invisible ends of spectrum , 1050. Phosphorescence and fluorescence , 1051. Decomposition of white light , 1052. Spectroscope ...
Página 862
... spectrum , 1094 . Practical application , and deduction of wave - lengths , 1095. Retardation gratings , 1096. Reflection gratings , 1097. Standard spectrum , 1098. Wave - lengths , 1099 . Colours of thin films , 1100 , pp . 1099-1118 ...
... spectrum , 1094 . Practical application , and deduction of wave - lengths , 1095. Retardation gratings , 1096. Reflection gratings , 1097. Standard spectrum , 1098. Wave - lengths , 1099 . Colours of thin films , 1100 , pp . 1099-1118 ...
Página 1060
... spectrum of white will either be very dim and dark in the spectrum of blue , or will be wanting altogether , being replaced by black . If the other strip be red , its image will contain bright colours at the lower or red end , and those ...
... spectrum of white will either be very dim and dark in the spectrum of blue , or will be wanting altogether , being replaced by black . If the other strip be red , its image will contain bright colours at the lower or red end , and those ...
Página 1064
Augustin Privat-Deschanel Joseph David Everett. 1049. Dark Lines in the Solar Spectrum . - When a pure spectrum of solar light is examined by any of these methods , it is seen to be traversed by numerous dark lines , constituting , if we ...
Augustin Privat-Deschanel Joseph David Everett. 1049. Dark Lines in the Solar Spectrum . - When a pure spectrum of solar light is examined by any of these methods , it is seen to be traversed by numerous dark lines , constituting , if we ...
Página 1069
... spectrum by any of the methods above indicated , we have in fact effected an analysis of the light with which the slit is illuminated . In recent years , many forms of apparatus have been constructed for this pur- pose , under the name ...
... spectrum by any of the methods above indicated , we have in fact effected an analysis of the light with which the slit is illuminated . In recent years , many forms of apparatus have been constructed for this pur- pose , under the name ...
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Términos y frases comunes
achromatic analyser angle of incidence beam body bright lines called centimetres centre coincidence colours concave mirror conjugate foci convex convex lens crystal curvature denote diameter direction distance employed equal experiment eye-piece flame focal length frequency of vibration fundamental note glass harmonics Hence Iceland-spar incident ray index of refraction interval inverted law of sines lens lenses luminous point magnifying power medium metres minimum deviation nearly node normal number of vibrations object object-glass oblique observer obtained octave optical ordinary parallel particles pencil perpendicular pipe pitch placed plane mirror plate polarization portion position principal axis principal focus prism produced propagation radius rarefaction ratio reflected rays refrangibility represented retina rotation screen seen side slit solar spectra spectrum spherical string subtends surface telescope tion tone traversing tube undulation velocity of sound vertical vibrations vibrations per second violet virtual image visual angle wave-front wave-length waves