Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
Dentro del libro
Resultados 1-5 de 25
Página 859
... particle proportional to its condensation , 870. Propagation in open space . Inverse squares . Propagation in tubes . Energy of undulations , 871. Dis- sipation ; Conversion into heat , 872. Velocity of sound in air ; Mode of observing ...
... particle proportional to its condensation , 870. Propagation in open space . Inverse squares . Propagation in tubes . Energy of undulations , 871. Dis- sipation ; Conversion into heat , 872. Velocity of sound in air ; Mode of observing ...
Página 874
... particles of air in the different points of a wave - length will be iden- tical with the velocities of the piston at ... particle of air goes through its complete cycle of changes , both as regards motion and density . The period of ...
... particles of air in the different points of a wave - length will be iden- tical with the velocities of the piston at ... particle of air goes through its complete cycle of changes , both as regards motion and density . The period of ...
Página 875
... particles ABCDEFa originally equidistant , the dis- tance from the first to the last being one wave - length of the undula- tion . The diagram is composed of thirteen horizontal rows , the first and last being precisely alike . The ...
... particles ABCDEFa originally equidistant , the dis- tance from the first to the last being one wave - length of the undula- tion . The diagram is composed of thirteen horizontal rows , the first and last being precisely alike . The ...
Página 876
... particles always agree in phase . Any other two particles represented in the diagram are always in different phases , and the phases of A and D , or B and E , or C and F , are always opposite ; for example , when A is moving forwards ...
... particles always agree in phase . Any other two particles represented in the diagram are always in different phases , and the phases of A and D , or B and E , or C and F , are always opposite ; for example , when A is moving forwards ...
Página 877
... . An undulation may be defined as a system of movements in which the several particles move to and fro , or round and round , about definite points , in such a manner as to produce the continued onward transmission of a.
... . An undulation may be defined as a system of movements in which the several particles move to and fro , or round and round , about definite points , in such a manner as to produce the continued onward transmission of a.
Otras ediciones - Ver todas
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