A Treatise on Optics |
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Page v
... Refraction . Subject of this treatise , Geometrical or Formal Optics , Art . 1 ; Definition of self - luminous , medium , rays , pencil of light , incidence direct and oblique , 2-7 ; laws of reflexion and refraction , 8—10 ; foundation ...
... Refraction . Subject of this treatise , Geometrical or Formal Optics , Art . 1 ; Definition of self - luminous , medium , rays , pencil of light , incidence direct and oblique , 2-7 ; laws of reflexion and refraction , 8—10 ; foundation ...
Page vi
... refractions ; —prisms - lenses Successive réflexions at plane surfaces , 76–78 ; successive refractions at plane surfaces , -critical angle , 79–81 ; a plate , 82 ; absolute and relative index of refraction , 83 , 84 ; refraction ...
... refractions ; —prisms - lenses Successive réflexions at plane surfaces , 76–78 ; successive refractions at plane surfaces , -critical angle , 79–81 ; a plate , 82 ; absolute and relative index of refraction , 83 , 84 ; refraction ...
Page 3
... refracted . The course of the reflected and refracted rays where both exist , may be considered separately . 8. Law of ... Refraction . When a ray is refracted at the surface of a medium , ( i ) The incident and refracted rays lie in one ...
... refracted . The course of the reflected and refracted rays where both exist , may be considered separately . 8. Law of ... Refraction . When a ray is refracted at the surface of a medium , ( i ) The incident and refracted rays lie in one ...
Page 4
... refraction takes place into a denser medium , in which case μ is greater than unity , and the angle of refraction less than the angle of incidence { i . e . p ' < $ } . 11. Remark . The process by which these and physical laws in ...
... refraction takes place into a denser medium , in which case μ is greater than unity , and the angle of refraction less than the angle of incidence { i . e . p ' < $ } . 11. Remark . The process by which these and physical laws in ...
Page 5
... refraction we shall speak hereafter when we come to explain the mode of determining the refractive indices of different substances . The law of reflexion ... refraction ( produced if necessary ) cuts the DIRECT REFLEXION AND REFRACTION . 5.
... refraction we shall speak hereafter when we come to explain the mode of determining the refractive indices of different substances . The law of reflexion ... refraction ( produced if necessary ) cuts the DIRECT REFLEXION AND REFRACTION . 5.
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Common terms and phrases
aberration achromatism angle of incidence axis QA bright centre circle of least coincides colours concave conical surfaces convex lens cos² Crown 8vo cuts the axis deviation diameter direct pencil distance emergent equation excentrical eye-glass eye-piece Fcap field of view fixed lines focal length geometrical focus Hence illumination image formed incident directly incident pencil index of refraction intersection lenses luminous point magnifying power medium object object-glass parallel rays passes pencil of parallel pencil of rays pencil whose axis perpendicular plane surface point of incidence point q position primary plane principal focus principal plane prism radius rays incident reflected or refracted reflected pencil reflexion or refraction refracted rays refracting angle refracting surface refractive index shew small oblique pencil small pencil spectrum sphere spherical reflector spherical surface subtends supposed telescope thin lens v₁ v₂ αμ
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