Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page 2
... Ray . ” ( iii ) Any number of consecutive Rays form a " pencil . " The most convenient form in which to imagine a pencil is a solid cone of rays , of which the centre of light is the vertex . ( iv ) The middle ray , or axis of the cone of ...
... Ray . ” ( iii ) Any number of consecutive Rays form a " pencil . " The most convenient form in which to imagine a pencil is a solid cone of rays , of which the centre of light is the vertex . ( iv ) The middle ray , or axis of the cone of ...
Page 3
... rays really started from O or met at O ' . M Fig . 1 . We shall often have occasion to talk about pencils of light ... ray suffers ( Art . 2 ) , is the same at every point . All media at present are to be considered uniform . 3. The ...
... rays really started from O or met at O ' . M Fig . 1 . We shall often have occasion to talk about pencils of light ... ray suffers ( Art . 2 ) , is the same at every point . All media at present are to be considered uniform . 3. The ...
Page 4
... rays disc and pass through P. which come from the They will make a cir- cular patch at on the boundary found in ( i ) . ( iii ) Let P travel all round ABCD : then the circular patch travels all round abcd , and radius of circular patch ...
... rays disc and pass through P. which come from the They will make a cir- cular patch at on the boundary found in ( i ) . ( iii ) Let P travel all round ABCD : then the circular patch travels all round abcd , and radius of circular patch ...
Page 6
... are the greatest . If these are triangles , the whole figure will be a triangle ; if a crescent , the figure formed will resemble a crescent . ” 4 . CHAPTER II . PLANE REFLEXION . WHEN rays 6 [ CHAP . I. GEOMETRICAL OPTICS .
... are the greatest . If these are triangles , the whole figure will be a triangle ; if a crescent , the figure formed will resemble a crescent . ” 4 . CHAPTER II . PLANE REFLEXION . WHEN rays 6 [ CHAP . I. GEOMETRICAL OPTICS .
Page 7
... rays meet the surface . Thus , if a number of rays fall perpendicularly on to the water they are nearly all refracted : if they fall at an angle to the water , some of them are reflected , and the more their direction slopes to the ...
... rays meet the surface . Thus , if a number of rays fall perpendicularly on to the water they are nearly all refracted : if they fall at an angle to the water , some of them are reflected , and the more their direction slopes to the ...
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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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