Problems and ExamplesDeighton, Bell and Company, 1862 - 141 strán (strany) |
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Strana 129
... passing through a point Q , is incident on a refracting plate , q is the intersection of the emergent ray pro- duced backwards with the normal to the plate through Q : if G. P. 9 the angle of incidence be equal to tan1μ , and OPTICS . 129.
... passing through a point Q , is incident on a refracting plate , q is the intersection of the emergent ray pro- duced backwards with the normal to the plate through Q : if G. P. 9 the angle of incidence be equal to tan1μ , and OPTICS . 129.
Strana 130
... refracting me- dium bounded by a transparent plane surface . Prove that , if the bounding surface turn in any manner ... refracting surface , the distance of the geometrical focus of refracted rays from the surface is to its distance ...
... refracting me- dium bounded by a transparent plane surface . Prove that , if the bounding surface turn in any manner ... refracting surface , the distance of the geometrical focus of refracted rays from the surface is to its distance ...
Strana 131
... refracting sphere ; shew that after one internal reflection it will emerge parallel and reversed if cos p ' = , and after two internal reflections parallel and 1 direct if cos p ′ = 1⁄2 - 1⁄2 ( μ + 1 ) 1 , p ' being the internal angle ...
... refracting sphere ; shew that after one internal reflection it will emerge parallel and reversed if cos p ' = , and after two internal reflections parallel and 1 direct if cos p ′ = 1⁄2 - 1⁄2 ( μ + 1 ) 1 , p ' being the internal angle ...
Strana 132
... refracting angle of the prism in order that the ray may just emerge parallel to the second surface ; the value of μ being √2 . 6. If a ray of light be refracted through a right - angled prism in a plane perpendicular to the edge , and ...
... refracting angle of the prism in order that the ray may just emerge parallel to the second surface ; the value of μ being √2 . 6. If a ray of light be refracted through a right - angled prism in a plane perpendicular to the edge , and ...
Strana 133
... refract the rays parallel . 4. The back of a double convex lens is quicksilvered ; if a small pencil of rays after entering ... refracting index 16 ; find the focal length . 10. The first surface of a lens is concave and of given radius ...
... refract the rays parallel . 4. The back of a double convex lens is quicksilvered ; if a small pencil of rays after entering ... refracting index 16 ; find the focal length . 10. The first surface of a lens is concave and of given radius ...
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2nd Edition 3rd Edition 4th Edition acceleration tending arithmetical arithmetical mean arithmetical series bisected centre of gravity chord circle concave cone Conic Sections conjugate convex lens Crown 8vo cylinder determine diameter directrix distance drawn Elementary ellipse English equal equation extremity F. A. Paley Fcap feet Find the number find the value fluid focal length foci focus geometrical progression given point given weight harmonic mean horizontal inches incident inclined plane inscribed intersection Latin latus rectum locus luminous point middle point mirror Multiply parabola parallel particle describes passing perpendicular position Post 8vo pressure prism projected prove pully quantity radii radius ratio reflected refracting respectively shew sides sin² specific gravity sphere spherical square straight line string subtends surface tangent tower velocity vertex vertical
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