Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 859
... tubes . Energy of undulations , 871. Dis- sipation ; Conversion into heat , 872. Velocity of sound in air ; Mode of observing , and results , 873. Theoretical computation , 874-876 . Newton and Laplace , 877. Velo- city in gases , 878 ...
... tubes . Energy of undulations , 871. Dis- sipation ; Conversion into heat , 872. Velocity of sound in air ; Mode of observing , and results , 873. Theoretical computation , 874-876 . Newton and Laplace , 877. Velo- city in gases , 878 ...
Página 868
... tube be of glass , and let a small membrane m , stretched over a frame , be strewed with sand , and lowered into the pipe . The sand will be thrown into violent agitation , and the rattling of the grains , as they fall back on the ...
... tube be of glass , and let a small membrane m , stretched over a frame , be strewed with sand , and lowered into the pipe . The sand will be thrown into violent agitation , and the rattling of the grains , as they fall back on the ...
Página 869
... tube , which tapers off nearly to a point at its upper end , where the gas issues and is lighted . When a tube , open at both ends , is held so as to surround the flame , a musical tone is heard , which varies with the dimensions of the ...
... tube , which tapers off nearly to a point at its upper end , where the gas issues and is lighted . When a tube , open at both ends , is held so as to surround the flame , a musical tone is heard , which varies with the dimensions of the ...
Página 872
... tubes of the lungs . Even simple auscultation , in which the ear is applied directly to the surface of the body ... tube , and let us consider what happens during the passage of the plate MODE OF PROPAGATION OF SOUND . 873 from its ...
... tubes of the lungs . Even simple auscultation , in which the ear is applied directly to the surface of the body ... tube , and let us consider what happens during the passage of the plate MODE OF PROPAGATION OF SOUND . 873 from its ...
Página 873
... tube , and is succeeded by a rarefaction corresponding to the back- ward movement of the plate from a to a " . As the plate goes on vibrating , these compressions and rarefactions continue to be propa- gated through the tube in ...
... tube , and is succeeded by a rarefaction corresponding to the back- ward movement of the plate from a to a " . As the plate goes on vibrating , these compressions and rarefactions continue to be propa- gated through the tube in ...
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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