A Treatise on Optics |
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Page iii
... plates at the end , and are thus rendered more convenient for reference . I have appended a collection of examples and problems— distributed under the heads of the several chapters , as well as a miscellaneous set , -which are ...
... plates at the end , and are thus rendered more convenient for reference . I have appended a collection of examples and problems— distributed under the heads of the several chapters , as well as a miscellaneous set , -which are ...
Page vi
... plate , 82 ; absolute and relative index of refraction , 83 , 84 ; refraction through a plate , 85-87 ; Def . of edge , faces , refracting angle , principal section of a prism , 88 ; deviation through a prism , minimum deviation , 90–94 ...
... plate , 82 ; absolute and relative index of refraction , 83 , 84 ; refraction through a plate , 85-87 ; Def . of edge , faces , refracting angle , principal section of a prism , 88 ; deviation through a prism , minimum deviation , 90–94 ...
Page 72
... plate . It is a result of experiment that when a ray of light passes through any number of media separated by parallel plane surfaces , if any two of these media be identical , the directions of the ray in them are parallel . This may ...
... plate . It is a result of experiment that when a ray of light passes through any number of media separated by parallel plane surfaces , if any two of these media be identical , the directions of the ray in them are parallel . This may ...
Page 74
... plate . Let Q be the origin of a pencil whose axis QAB passes directly through a refracting plate . Let F , Fbe the geometrical foci of the pencil after refraction at the first and second surfaces respec- tively . Let AQ = u , BF = v ...
... plate . Let Q be the origin of a pencil whose axis QAB passes directly through a refracting plate . Let F , Fbe the geometrical foci of the pencil after refraction at the first and second surfaces respec- tively . Let AQ = u , BF = v ...
Page 75
... plate . Let passes obliquely through a plate , the surfaces of which it cuts at A and S. T be the origin of a small pencil whose axis QAST Let QQ be the primary and secondary foci of the pencil after one refraction , q1 , q , those of ...
... plate . Let passes obliquely through a plate , the surfaces of which it cuts at A and S. T be the origin of a small pencil whose axis QAST Let QQ be the primary and secondary foci of the pencil after one refraction , q1 , q , those of ...
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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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