Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page 8
... glass ; in which we appear to see the image of any object , placed in front of the mirror , just as far behind the mirror as the object itself is in front . Let MM , be a mirror , edgeways to us 8 [ CHAP . GEOMETRICAL OPTICS .
... glass ; in which we appear to see the image of any object , placed in front of the mirror , just as far behind the mirror as the object itself is in front . Let MM , be a mirror , edgeways to us 8 [ CHAP . GEOMETRICAL OPTICS .
Page 17
... glass mirror , we very often see a double image of an object , one image being very faint . Fig . 12 . E B Let ABCD be the mirror . Let QNM be perpen- dicular to the mirror . AB is the silvered back . The strong image is formed by the ...
... glass mirror , we very often see a double image of an object , one image being very faint . Fig . 12 . E B Let ABCD be the mirror . Let QNM be perpen- dicular to the mirror . AB is the silvered back . The strong image is formed by the ...
Page 52
... glass , after having suffered one internal reflexion at one face of the glass . To trace its course from the origin ... object . Then ( i ) By refraction at AC , PQ will 52 [ CHAP . GEOMETRICAL OPTICS .
... glass , after having suffered one internal reflexion at one face of the glass . To trace its course from the origin ... object . Then ( i ) By refraction at AC , PQ will 52 [ CHAP . GEOMETRICAL OPTICS .
Page 62
... object and shade . The shaded part represents the rays from the point P to the eye . Subtracting ( B ) from ( A ) or ... glass sphere is divided into two hemispheres , the index of refraction in one being different from that in the other .
... object and shade . The shaded part represents the rays from the point P to the eye . Subtracting ( B ) from ( A ) or ... glass sphere is divided into two hemispheres , the index of refraction in one being different from that in the other .
Page 90
... object - glass to the focus 1 , and are inter- cepted by the lens C , will on emergence from C , form a beam of rays parallel to p , C ,. But when rays enter the eye in a parallel beam , they appear as if they came from a point a very ...
... object - glass to the focus 1 , and are inter- cepted by the lens C , will on emergence from C , form a beam of rays parallel to p , C ,. But when rays enter the eye in a parallel beam , they appear as if they came from a point a very ...
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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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