Elementary Treatise on the Wave-theory of LightLongman, Brown, Green, Longmans, and Roberts, 1857 - 208 من الصفحات |
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الصفحة 5
... respective distances ; and their absolute brightnesses as the illuminating powers directly , and as their luminous ... respectively ; and these being rendered equal in the experiment , we have ai d2 a'ï ' d'2 ' The following simple and ...
... respective distances ; and their absolute brightnesses as the illuminating powers directly , and as their luminous ... respectively ; and these being rendered equal in the experiment , we have ai d2 a'ï ' d'2 ' The following simple and ...
الصفحة 18
... respectively , the number of incident rays being 1000. The dependence of the quantity of the reflected light upon the medium from which it is in- cident is easily shown by immersing a plate of glass in water or oil . III . The ...
... respectively , the number of incident rays being 1000. The dependence of the quantity of the reflected light upon the medium from which it is in- cident is easily shown by immersing a plate of glass in water or oil . III . The ...
الصفحة 20
... respectively , p − 4 , and p ' – ' ; and the total deviation 8 = p + $ ' − ( 4 + 4 ) . Now , it is easily shown that the alge- braic sum of the angles , which the portion of the ray within the prism makes with the two perpendiculars ...
... respectively , p − 4 , and p ' – ' ; and the total deviation 8 = p + $ ' − ( 4 + 4 ) . Now , it is easily shown that the alge- braic sum of the angles , which the portion of the ray within the prism makes with the two perpendiculars ...
الصفحة 40
... respectively ( 48 ) ; and , therefore , when the total dispersion is nothing , we must have - ( μ2 − μ1 ) a + ( μ2 ' — μ1 ' ) a ' = 0 , - or a = με μι " με - μι The negative sign , in the second member , indicates that the angles of ...
... respectively ( 48 ) ; and , therefore , when the total dispersion is nothing , we must have - ( μ2 − μ1 ) a + ( μ2 ' — μ1 ' ) a ' = 0 , - or a = με μι " με - μι The negative sign , in the second member , indicates that the angles of ...
الصفحة 84
... respectively to one , two , three , & c . semi - undulations . The effect produced at the point R is then , by the principle of Huygens , the sum of the effects produced by each of the por- tions ab , bc , cd , & c . , separately . But ...
... respectively to one , two , three , & c . semi - undulations . The effect produced at the point R is then , by the principle of Huygens , the sum of the effects produced by each of the por- tions ab , bc , cd , & c . , separately . But ...
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عبارات ومصطلحات مألوفة
angle of incidence aperture axes azimuth bands beam bright bands centre circularly polarized coincides colours common light corresponding crystal dark denote diameter difference of phase diffraction direction distance diverging double refraction edge effect elasticity elliptically polarized equal ether Fresnel fringes glass History Iceland spar inci incident light incident ray inclined intensity interference interval of retardation John Herschel length light reflected luminous origin medium metal mirror molecules Newton observed 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 principle prism produced propagated ratio reflected light reflected pencil refracted rays refractive index refrangibility result revised rhombohedron right angles rings Second Edition shadow spectrum Square crown 8vo substance theory thickness tion transmitted traversed undulation vary velocity vibrations vols wave wave-theory Woodcuts
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