An Elementary Treatise on Geometrical Optics ... |
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Page 7
... parallel planes , as for instance through a number of plates of glass of different kinds , when it comes again into a medium of the same nature as that from which it originally was incident on the plates , will be in a direction parallel ...
... parallel planes , as for instance through a number of plates of glass of different kinds , when it comes again into a medium of the same nature as that from which it originally was incident on the plates , will be in a direction parallel ...
Page 11
... parallel to that of the ray first incident . 9. A ray tive index is , at an angle whose sine is is incident on a refracting sphere whose refrac- 3 3√3 4√2 ' Show that if the ray be refracted into the sphere , that portion of it which ...
... parallel to that of the ray first incident . 9. A ray tive index is , at an angle whose sine is is incident on a refracting sphere whose refrac- 3 3√3 4√2 ' Show that if the ray be refracted into the sphere , that portion of it which ...
Page 13
... parallel planes , is a √3 in the first medium and 2c in the second . The thicknesses of the plates being a and c respectively , find the refractive index from the first plate into the second . 23. Prove that light which has been ...
... parallel planes , is a √3 in the first medium and 2c in the second . The thicknesses of the plates being a and c respectively , find the refractive index from the first plate into the second . 23. Prove that light which has been ...
Page 14
... parallel to the axis of the spheroid , show that after refraction it will pass through one focus . e 27. A pencil of rays emanates from a point at a distance ur from the centre of a refracting sphere whose radius is r and refractive ...
... parallel to the axis of the spheroid , show that after refraction it will pass through one focus . e 27. A pencil of rays emanates from a point at a distance ur from the centre of a refracting sphere whose radius is r and refractive ...
Page 18
... parallel to AQ . Let μ be the index of refraction from the first medium into the second . Then by the law of refraction , if RS be the refracted ray , we have . or sin QRN = μ sin SRN ' , sin RQAμ sin RqA , if SR produced meet AQ in q ...
... parallel to AQ . Let μ be the index of refraction from the first medium into the second . Then by the law of refraction , if RS be the refracted ray , we have . or sin QRN = μ sin SRN ' , sin RQAμ sin RqA , if SR produced meet AQ in q ...
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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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