Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 861
... tion of lenses , 1011. Virtual images , 1012. Concave lens , 1013. Focometer , 1014 . Refraction at a single spherical surface , 1015. Refraction through a sphere , 1016 . Camera obscura , 1017. Photographic camera and photography ...
... tion of lenses , 1011. Virtual images , 1012. Concave lens , 1013. Focometer , 1014 . Refraction at a single spherical surface , 1015. Refraction through a sphere , 1016 . Camera obscura , 1017. Photographic camera and photography ...
Página 862
... tion . The transmitted light also polarized . Polarizing angle , 1102. Plane of polarization , 1103. Polarization by double refraction , 1104. Explanation of double refraction in uniaxal crystals . Wave - surface for ordinary ray ...
... tion . The transmitted light also polarized . Polarizing angle , 1102. Plane of polarization , 1103. Polarization by double refraction , 1104. Explanation of double refraction in uniaxal crystals . Wave - surface for ordinary ray ...
Página 867
... tion as to be nearly in contact with a glass bell ( Fig . 593 ) . If a rosined fiddle - bow is then drawn over the edge of the bell , until a musical note is emitted , a series of taps are heard , due to the striking of the bell against ...
... tion as to be nearly in contact with a glass bell ( Fig . 593 ) . If a rosined fiddle - bow is then drawn over the edge of the bell , until a musical note is emitted , a series of taps are heard , due to the striking of the bell against ...
Página 875
... tion . The diagram is composed of thirteen horizontal rows , the first and last being precisely alike . The successive rows represent the positions of the particles at successive times , the interval of time from each row to the next ...
... tion . The diagram is composed of thirteen horizontal rows , the first and last being precisely alike . The successive rows represent the positions of the particles at successive times , the interval of time from each row to the next ...
Página 889
... tion fails to account for the utility of the bell , which experience has shown to be considerable . It appears from a theoretical investigation by Lord Rayleigh that the speaking - trumpet causes a greater total quan- tity of sonorous ...
... tion fails to account for the utility of the bell , which experience has shown to be considerable . It appears from a theoretical investigation by Lord Rayleigh that the speaking - trumpet causes a greater total quan- tity of sonorous ...
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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