Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 862
... direction of vibration in plane - polarized light , 1115. Vibrations of ordinary light , 1116. Polarization of dark heat - rays , 1117 , . EXAMPLES IN ACOUSTICS , EXAMPLES IN OPTICS , ANSWERS TO EXAMPLES , . • pp . 1119-1137 . pp . 1138 ...
... direction of vibration in plane - polarized light , 1115. Vibrations of ordinary light , 1116. Polarization of dark heat - rays , 1117 , . EXAMPLES IN ACOUSTICS , EXAMPLES IN OPTICS , ANSWERS TO EXAMPLES , . • pp . 1119-1137 . pp . 1138 ...
Página 868
... directions . Their position changes whenever the plate changes its note . The vibratory condition of the plate is also mani- fested by another phenomenon , opposite - so to speak -to that just described . If very fine powder , such as ...
... directions . Their position changes whenever the plate changes its note . The vibratory condition of the plate is also mani- fested by another phenomenon , opposite - so to speak -to that just described . If very fine powder , such as ...
Página 875
... direction , while each particle of air simply moves backwards and forwards about its original position , is illustrated by Fig . 604 , which represents , in an A B AB C C D E Fa D E F a A B C D E F a A BC D E F α A BCD E F a A B CD E F ...
... direction , while each particle of air simply moves backwards and forwards about its original position , is illustrated by Fig . 604 , which represents , in an A B AB C C D E Fa D E F a A B C D E F a A BC D E F α A BCD E F a A B CD E F ...
Página 876
... direction perpendicular to that in which the undulation advances . Thirteen particles A B C D EFGHIJKL a are ... directions from the source . If the disturbance is symmetrical about a centre , the waves will be spheri- cal ; but this ...
... direction perpendicular to that in which the undulation advances . Thirteen particles A B C D EFGHIJKL a are ... directions from the source . If the disturbance is symmetrical about a centre , the waves will be spheri- cal ; but this ...
Página 877
... directions along which the sound travels . In both cases it is important to remark that the undulation does not involve a movement of transference . Thus , when the surface of a liquid is traversed by waves , bodies floating on it rise ...
... directions along which the sound travels . In both cases it is important to remark that the undulation does not involve a movement of transference . Thus , when the surface of a liquid is traversed by waves , bodies floating on it rise ...
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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