An Elementary Treatise on Geometrical Optics |
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Page vii
... light . 9 . Law of reflexion . 10 . Geometrical construction for the reflected ray . 11 . Reflexion of a ray at a plane surface . 12. Projections of the incident and reflected rays on a normal plane . 13. Successive reflexion at two ...
... light . 9 . Law of reflexion . 10 . Geometrical construction for the reflected ray . 11 . Reflexion of a ray at a plane surface . 12. Projections of the incident and reflected rays on a normal plane . 13. Successive reflexion at two ...
Page 2
... light can pass , whether occupied by matter or not , is called a medium . 3. When the medium is homogeneous , light ... ray , and it will be supposed to have the form of an indefinitely slender cone , whose axis is the line under ...
... light can pass , whether occupied by matter or not , is called a medium . 3. When the medium is homogeneous , light ... ray , and it will be supposed to have the form of an indefinitely slender cone , whose axis is the line under ...
Page 9
Robert Samuel Heath. CHAPTER II . REFLEXION AND REFRACTION OF RAYS OF LIGHT . 8. WHEN a ray of light travelling in one medium is incident on the surface of another medium , it is usually divided into three separate portions which behave ...
Robert Samuel Heath. CHAPTER II . REFLEXION AND REFRACTION OF RAYS OF LIGHT . 8. WHEN a ray of light travelling in one medium is incident on the surface of another medium , it is usually divided into three separate portions which behave ...
Page 10
... light is reflected back into the air ; for a person stationed outside can see a picture of the sun in the window as ... ray and the normal * to the surface separating the two media , is called the plane of incidence , and the acute angle ...
... light is reflected back into the air ; for a person stationed outside can see a picture of the sun in the window as ... ray and the normal * to the surface separating the two media , is called the plane of incidence , and the acute angle ...
Page 12
... ray of light be reflected at a surface , the pro- jections of the incident and reflected rays on any plane through the normal , themselves obey the law of reflexion . For along the incident and reflected rays measure equal distances OA ...
... ray of light be reflected at a surface , the pro- jections of the incident and reflected rays on any plane through the normal , themselves obey the law of reflexion . For along the incident and reflected rays measure equal distances OA ...
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An Elementary Treatise on Geometrical Optics (Classic Reprint) R. S. Heath No preview available - 2016 |
Common terms and phrases
achromatic angle of incidence aperture apparent magnitude astronomical telescope axis B₁ called caustic centre circle coloured concave concave lens conjugate foci converge convex lens corresponding Crown 8vo denote direction distinct vision Edited emerge parallel emergent ray equal equation extreme pencils eye-glass eye-lens eye-piece field of view final image focal length focal plane glass Hence illuminated inches incident ray inclined infinity instrument k₁ lenses linear magnitudes luminous magnifying power meet nodal points normal object object-glass object-mirror P. G. Tait pair of conjugate perpendicular placed plane mirror point Q position principal focus principal plane principal points prism pupil radii radius ray of light rays diverging reflected rays reflexion refracting surface refractive index respectively retina right angles second medium seen small mirror spectrum sphere spherical surface subtended suppose tangent theorem triangles vertex visual angle
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