Geometrical Optics: Adapted to the Use of the Higher Classes in Schools, Etc |
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Page 2
... luminous body is sending out light in every direction in straight lines . It is therefore called a 66 centre of light , " or a luminous point . " 66 ( ii ) And any one of such straight lines is called a " Ray . ” ( iii ) Any number of ...
... luminous body is sending out light in every direction in straight lines . It is therefore called a 66 centre of light , " or a luminous point . " 66 ( ii ) And any one of such straight lines is called a " Ray . ” ( iii ) Any number of ...
Page 3
... luminous circular disc placed in the ceiling of a room , passes through a rectangular aperture in the floor . Ascertain the form of the luminous patch on the floor of the room below . " ( i ) Let O be the centre of the I - 2 I. ] 3 ...
... luminous circular disc placed in the ceiling of a room , passes through a rectangular aperture in the floor . Ascertain the form of the luminous patch on the floor of the room below . " ( i ) Let O be the centre of the I - 2 I. ] 3 ...
Page 5
... luminous body , which it regained immediately on freeing itself from the obstacle which had forced it from its shape ...... To ex- plain this phenomenon , we will first notice , with Mauro- licus , that each point of the aperture is the ...
... luminous body , which it regained immediately on freeing itself from the obstacle which had forced it from its shape ...... To ex- plain this phenomenon , we will first notice , with Mauro- licus , that each point of the aperture is the ...
Page 10
... luminous rays . Suppose that AB was a tower on some high ground on one side of a piece of water , and that E was an eye on the other side looking into the water : will the eye see the whole of the tower by reflexion ? Fig . 5 . E M The ...
... luminous rays . Suppose that AB was a tower on some high ground on one side of a piece of water , and that E was an eye on the other side looking into the water : will the eye see the whole of the tower by reflexion ? Fig . 5 . E M The ...
Page 22
... luminous point . Let Q be a luminous point inside the sphere : let O be the centre of the sphere , and let QO produced meet the surface in A. Let the figure be a section made by the plane of the paper , in which both Q and O are ...
... luminous point . Let Q be a luminous point inside the sphere : let O be the centre of the sphere , and let QO produced meet the surface in A. Let the figure be a section made by the plane of the paper , in which both Q and O are ...
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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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