Elementary Treatise on the Wave-theory of LightLongmans, Green, 1873 - 247 страници |
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Страница v
... distance . ( 7 , 8 ) Measure of illumina- tion ; photometry . ( 9 , 10 ) Velocity of light determined by eclipses of Jupiter's satellites - by aberration of fixed stars . ( 11 ) M. Fizeau's experimental determination of velocity of ...
... distance . ( 7 , 8 ) Measure of illumina- tion ; photometry . ( 9 , 10 ) Velocity of light determined by eclipses of Jupiter's satellites - by aberration of fixed stars . ( 11 ) M. Fizeau's experimental determination of velocity of ...
Страница 3
... distance . This is easily proved , if light be supposed to be a material emanation of any kind . For the intensity of the light , received upon any spherical surface whose centre is the luminous point , is as the quantity of the light ...
... distance . This is easily proved , if light be supposed to be a material emanation of any kind . For the intensity of the light , received upon any spherical surface whose centre is the luminous point , is as the quantity of the light ...
Страница 4
Humphrey Lloyd. absolute brightness , the intensity of the illumination , at any distance d , is ai d2 ( 7 ) A plane surface , whose dimensions are small in com- parison with the distance , and which is perpendicular to the incident ...
Humphrey Lloyd. absolute brightness , the intensity of the illumination , at any distance d , is ai d2 ( 7 ) A plane surface , whose dimensions are small in com- parison with the distance , and which is perpendicular to the incident ...
Страница 5
... distances ; and their absolute brightnesses as the illuminating powers directly , and as their luminous surfaces inversely . For , if i and i ' denote the absolute brightnesses of the two lights , a ... distance . PROPAGATION OF LIGHT . 5.
... distances ; and their absolute brightnesses as the illuminating powers directly , and as their luminous surfaces inversely . For , if i and i ' denote the absolute brightnesses of the two lights , a ... distance . PROPAGATION OF LIGHT . 5.
Страница 6
... distance . Let a toothed wheel , the breadth of whose teeth is equal to that of the interval between them , be interposed near the luminous source ; and let the mirror be so adjusted that the light passing through one of these intervals ...
... distance . Let a toothed wheel , the breadth of whose teeth is equal to that of the interval between them , be interposed near the luminous source ; and let the mirror be so adjusted that the light passing through one of these intervals ...
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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