Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page 5
... figure equal and similarly placed to that of the aperture , and at each of its points or only at those on its boundary describe a multi- tude of circles , the figure which they will form will be precisely that of the image of the sun ...
... figure equal and similarly placed to that of the aperture , and at each of its points or only at those on its boundary describe a multi- tude of circles , the figure which they will form will be precisely that of the image of the sun ...
Page 6
... figures similar to each other , and similarly placed , the resulting figure will approach nearer to that of those which are the greatest . If these are triangles , the whole figure will be a triangle ; if a crescent , the figure formed ...
... figures similar to each other , and similarly placed , the resulting figure will approach nearer to that of those which are the greatest . If these are triangles , the whole figure will be a triangle ; if a crescent , the figure formed ...
Page 15
... figure shews the course of a small pencil which comes to the eye after suffering the greatest number of reflexions ... figures for himself of these pencils , using the rules given in Article 8 . ( 2 ) We will now shew that all these ...
... figure shews the course of a small pencil which comes to the eye after suffering the greatest number of reflexions ... figures for himself of these pencils , using the rules given in Article 8 . ( 2 ) We will now shew that all these ...
Page 16
... figure in next article ) . 12. The positions of these images can be formed generally , supposing that we know the ... figures which we have drawn are of course sections of the mirrors perpendicular to the line in which they meet ...
... figure in next article ) . 12. The positions of these images can be formed generally , supposing that we know the ... figures which we have drawn are of course sections of the mirrors perpendicular to the line in which they meet ...
Page 18
... figure is intended to represent the rays forming the faint image . Note . We have here , for convenience of explanation , neglected the refraction which the light suffers on entering , and emerging from , the glass . CHAPTER III ...
... figure is intended to represent the rays forming the faint image . Note . We have here , for convenience of explanation , neglected the refraction which the light suffers on entering , and emerging from , the glass . CHAPTER III ...
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Common terms and phrases
Algebra angle of incidence Aq AQ ARITHMETIC astronomical beam beginners BROOKE FOSS WESTCOTT called Cambridge caustic curve centre CHAPTER Christ's College circle CLASS-BOOK Clifton College cloth colours concave lens Conic Sections conical convex lens cornea course Crown 8vo direction divergent ELEMENTARY TREATISE English Examination Papers explain Extra fcap eye-lens figure focal length formed Fourth Edition Galilean Geometrical Focus glass Grammar Greek Head Master John's College late Fellow Latin lenses luminous point magnifying power minimum deviation mirror MIXED MATHEMATICS nearer numerous Examples object object-glass OPTICS parallel rays pencil of rays placed plane reflexion point q principal focus principles prism rays close rays fall rays from Q rays which fall reader red rays reflected rays reflecting telescope retina Schools Second Edition seen shew small pencil spectrum straight line student Suppose telescope tion TRIGONOMETRY violet
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