An Elementary Treatise on Geometrical Optics ... |
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Page 3
... medium . 8. When a pencil of light proceeding in one medium is incident on the surface of another transparent medium , it is usually divided into three parts . ( 1 ) A portion is reflected back into the original medium according to a ...
... medium . 8. When a pencil of light proceeding in one medium is incident on the surface of another transparent medium , it is usually divided into three parts . ( 1 ) A portion is reflected back into the original medium according to a ...
Page 5
... medium from that in which it is at first propagated , it is said to be incident on the second medium . In this case the plane containing the incident ray and the normal to the surface which separates the second medium from the first is ...
... medium from that in which it is at first propagated , it is said to be incident on the second medium . In this case the plane containing the incident ray and the normal to the surface which separates the second medium from the first is ...
Page 6
... p ' when & is known . If the second medium be of a denser nature than the first , μ is greater than unity , as has been already remarked ; o is consequently greater than o ' . Thus , 6 LAWS OF REFLECTION AND REFRACTION .
... p ' when & is known . If the second medium be of a denser nature than the first , μ is greater than unity , as has been already remarked ; o is consequently greater than o ' . Thus , 6 LAWS OF REFLECTION AND REFRACTION .
Page 7
... medium be refracted in the direction OR , a ray coming in the second medium in the direction RO will be refracted along the line OP . If we call the two media A and B respectively , and denote by the index of refraction from the first ...
... medium be refracted in the direction OR , a ray coming in the second medium in the direction RO will be refracted along the line OP . If we call the two media A and B respectively , and denote by the index of refraction from the first ...
Page 9
... medium respectively make with the normal to the separating surface . Assume also that μ is greater than unity , so that the second medium is denser than the first . It is evident that , if & be given , since sin o ' is less than sin ...
... medium respectively make with the normal to the separating surface . Assume also that μ is greater than unity , so that the second medium is denser than the first . It is evident that , if & be given , since sin o ' is less than sin ...
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Common terms and phrases
2nd edition 3rd edition 4th edition Aeneid angle of incidence astronomical telescope axis Book Camb Cambridge centre concave convex lens cos² Crown 8vo Demy 8vo diameter direction distance diverge emergence English equal eye-glass eye-lens eye-piece F. A. PALEY Fcap Fellow of St focal length foci formula French geometrical focus glass Grammar Greek Hence illumination image formed inches incident ray index of refraction J. H. FREESE John's College last Article late Fellow Latin lenses LL.D luminous point magnifying power Mathematical minimum deviation object object-glass obliquely parallel rays pass pencil pencil of light pencil of parallel perpendicular placed portion primary plane prism Professor radius ray of light reflected ray reflecting surface refracted ray refraction or reflection refractive index revised School screen Small post 8vo spectrum sphere spherical surface Translated triangle Trinity College v₁ vertex whence
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