Elementary Treatise on the Wave-theory of LightLongmans, Green, 1873 - 247 страници |
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Страница ix
... ratio of their lengths . ( 195 ) Elliptic polarization by total reflexion . ( 196 ) Circular polarization ; Fresnel's rhomb . ( 197 , 198 ) Laws of metallic reflexion - discoveries of Malus and Brewster . ( 199 ) Light reflected from ...
... ratio of their lengths . ( 195 ) Elliptic polarization by total reflexion . ( 196 ) Circular polarization ; Fresnel's rhomb . ( 197 , 198 ) Laws of metallic reflexion - discoveries of Malus and Brewster . ( 199 ) Light reflected from ...
Страница 4
... ratio of unity to the sine of the angle of inclina- tion . The intensity of the illumination is , therefore , diminished in the same proportion , and is expressed by the formula ai sin 0 d2 being the inclination of the surface to the ...
... ratio of unity to the sine of the angle of inclina- tion . The intensity of the illumination is , therefore , diminished in the same proportion , and is expressed by the formula ai sin 0 d2 being the inclination of the surface to the ...
Страница 17
... ratio of the distance . Thus the known law of the variation of the intensity of light is deduced from the principles of undulatory propagation . ( 20 ) The colour of the light ( it has been said ) depends on the number of impulses which ...
... ratio of the distance . Thus the known law of the variation of the intensity of light is deduced from the principles of undulatory propagation . ( 20 ) The colour of the light ( it has been said ) depends on the number of impulses which ...
Страница 18
... ratio of the times of the extreme vibrations which affect the eye being only that of 1.58 to 1 , which is less than the ratio of the times of vibration of a fundamental note and its octave . There is no reason for supposing , however ...
... ratio of the times of the extreme vibrations which affect the eye being only that of 1.58 to 1 , which is less than the ratio of the times of vibration of a fundamental note and its octave . There is no reason for supposing , however ...
Страница 22
... ratio . In order to verify this law experimentally , it is only neces- sary to measure several angles of incidence at the surface of the same medium , and the corresponding angles of refraction . This was done by Ptolemy in the second ...
... ratio . In order to verify this law experimentally , it is only neces- sary to measure several angles of incidence at the surface of the same medium , and the corresponding angles of refraction . This was done by Ptolemy in the second ...
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amplitudes angle of incidence angle of polarization aperture axes bands beam bodies bright bands Canada balsam centre circularly-polarized coincides colours common light corresponding Crown 8vo crystal denote difference of phase diffracted direction distance diverging double refraction edge Edition elasticity ellipse equal ether extraordinary ray Fresnel fringes glass Iceland spar incident light incident ray inclined index of refraction intensity interference interval of retardation length light reflected luminous origin medium metal molecules observed optic axis ordinary ray parallel particles phenomena plane of incidence plane of polarization plane of reflexion plane-polarized plate polarized light polarized ray polarizing angle portions position principal section prism produced propagated PUBLISHED BY LONGMANS R. A. Proctor ratio reflected light reflected pencil refracted rays refractive index refrangibility result rhomb right angles rings second surface sin² spectrum substance theory thickness tion transmitted traversed undulation vary velocity vibrations vols wave wave-theory Woodcuts