Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 857
... Concave Diffraction Gratings were added . The tenth edition contains additions relating to beats , recent measures of the velocity of light , goniometers , convex mirrors , and nodal points of lenses . BELFAST , March , 1838 . NOTE ...
... Concave Diffraction Gratings were added . The tenth edition contains additions relating to beats , recent measures of the velocity of light , goniometers , convex mirrors , and nodal points of lenses . BELFAST , March , 1838 . NOTE ...
Página 861
... Concave lens , 1013. Focometer , 1014 . Refraction at a single spherical surface , 1015. Refraction through a sphere , 1016 . Camera obscura , 1017. Photographic camera and photography , 1018. Projection ; Solar microscope and magic ...
... Concave lens , 1013. Focometer , 1014 . Refraction at a single spherical surface , 1015. Refraction through a sphere , 1016 . Camera obscura , 1017. Photographic camera and photography , 1018. Projection ; Solar microscope and magic ...
Página 862
... concave towards the denser side , 1084. Calculation of curvature of horizontal or nearly horizontal rays , 1085. Of inclined rays , 1086. Astronomical refraction , 1088 . Mirage , 1089. Curved rays of sound , 1090. Calculation of their ...
... concave towards the denser side , 1084. Calculation of curvature of horizontal or nearly horizontal rays , 1085. Of inclined rays , 1086. Astronomical refraction , 1088 . Mirage , 1089. Curved rays of sound , 1090. Calculation of their ...
Página 957
... concave mirror , whose centre of curvature is in the axis of rotation , so that the beam is reflected back to the revolving mirror , and thence back to the hole at which it first entered. Fig . 650. - Wheel at Rest . Fig . 656 ...
... concave mirror , whose centre of curvature is in the axis of rotation , so that the beam is reflected back to the revolving mirror , and thence back to the hole at which it first entered. Fig . 650. - Wheel at Rest . Fig . 656 ...
Página 958
... concave mirror and back again , and a sensible displacement of the image is accordingly observed . The actual speed of rotation was from 700 to 800 revolutions per second.1 T m L r M α or o M O Fig . 653. - Foucault's Experiment . On ...
... concave mirror and back again , and a sensible displacement of the image is accordingly observed . The actual speed of rotation was from 700 to 800 revolutions per second.1 T m L r M α or o M O Fig . 653. - Foucault's Experiment . On ...
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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