A Treatise on Optics |
From inside the book
Results 1-5 of 100
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 reflexions 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 reflexions 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 1
... REFRACTION . 1. WHEN a material object is presented before us , we become by vision sensible of its existence and figure . In such a case light is said to be propagated from the object to our eyes , and the science of Optics has for its ...
... REFRACTION . 1. WHEN a material object is presented before us , we become by vision sensible of its existence and figure . In such a case light is said to be propagated from the object to our eyes , and the science of Optics has for its ...
Page 3
... refracted . The course of the reflected and refracted exist , may be considered separately . 8. Law of reflexion ... 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 exist , may be considered separately . 8. Law of reflexion ... 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 ...
Other editions - View all
Common terms and phrases
aberration achromatism angle of incidence axis QA bright centre circle of least cloth coincides colours concave converge convex lens cos² Crown 8vo cuts the axis determine deviation direct pencil distance emergent equation excentrical eye-glass eye-piece Fcap fixed lines focal length geometrical focus Hence illumination image formed incident directly incident pencil index of refraction intersection lenses luminous point magnifying power medium mirror object object-glass parallel rays passes pencil of light pencil of parallel pencil of rays pencil whose axis perpendicular plane surface point of incidence position primary plane principal focus principal plane prism radii radius rays incident reflected or refracted reflected pencil reflexion or refraction refracted rays refracting angle refracting surface refractive index retina shew small oblique pencil small pencil spectrum sphere spherical reflector spherical surface supposed telescope thin lens v₁ v₂ αμ аф
Popular passages
Page 305 - Eumenides. The Greek Text with English Notes, and an Introduction, containing an Analysis of Miiller's Dissertations.