Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 860
... angles , 960. Mirrors at 60 , 961. Kaleidoscope , 962. Pepper's ghost , 963. Deviation produced by rotation of ... angle and total reflection , 987. Camera lucida , 988. Image by refraction at plane surface when incidence is normal ...
... angles , 960. Mirrors at 60 , 961. Kaleidoscope , 962. Pepper's ghost , 963. Deviation produced by rotation of ... angle and total reflection , 987. Camera lucida , 988. Image by refraction at plane surface when incidence is normal ...
Página 861
... angle ; Magnifying power , 1026. Spectacles , 1027. Magnification by a lens . Sim- ple microscope , 1028. Compound microscope and its magnifying power , 1029 . Astronomical telescope and its magnifying power ; Finder , 1030 . Place for ...
... angle ; Magnifying power , 1026. Spectacles , 1027. Magnification by a lens . Sim- ple microscope , 1028. Compound microscope and its magnifying power , 1029 . Astronomical telescope and its magnifying power ; Finder , 1030 . Place for ...
Página 862
... angle , 1102. Plane of polarization , 1103. Polarization by double refraction , 1104. Explanation of double refraction in uniaxal crystals . Wave - surface for ordinary ray spherical , for extra- ordinary ray spheroidal . Extraordinary ...
... angle , 1102. Plane of polarization , 1103. Polarization by double refraction , 1104. Explanation of double refraction in uniaxal crystals . Wave - surface for ordinary ray spherical , for extra- ordinary ray spheroidal . Extraordinary ...
Página 886
... angles of incidence and reflection are equal . a Fig . 609. - Reflection from Elliptic Roof . 883. Illustrations of Reflection of Sound . - The reflection of sonorous waves explains some well - known phenomena . If aba ( Fig . 609 ) be ...
... angles of incidence and reflection are equal . a Fig . 609. - Reflection from Elliptic Roof . 883. Illustrations of Reflection of Sound . - The reflection of sonorous waves explains some well - known phenomena . If aba ( Fig . 609 ) be ...
Página 927
... angle about a vertical axis , the image will move horizontally . Con- sequently , if both these motions take place simultaneousely , the spot of light will trace out on the screen a sinuous line , as represented in the figure , each S ...
... angle about a vertical axis , the image will move horizontally . Con- sequently , if both these motions take place simultaneousely , the spot of light will trace out on the screen a sinuous line , as represented in the figure , each S ...
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Términos y frases comunes
achromatic analyser angle of incidence beam body bright lines called centimetres centre coincidence colours concave mirror conjugate foci convex convex lens crystal curvature denote diameter direction distance employed equal experiment eye-piece flame focal length frequency of vibration fundamental note glass harmonics Hence Iceland-spar incident ray index of refraction interval inverted law of sines lens lenses luminous point magnifying power medium metres minimum deviation nearly node normal number of vibrations object object-glass oblique observer obtained octave optical ordinary parallel particles pencil perpendicular pipe pitch placed plane mirror plate polarization portion position principal axis principal focus prism produced propagation radius rarefaction ratio reflected rays refrangibility represented retina rotation screen seen side slit solar spectra spectrum spherical string subtends surface telescope tion tone traversing tube undulation velocity of sound vertical vibrations vibrations per second violet virtual image visual angle wave-front wave-length waves