Elementary Treatise on Natural Philosophy, Volumen4D. Appleton, 1891 |
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Página 859
... pipes , and experimental organ , 910-912 . Bernouilli's laws for overtones of pipes , 913. Position of nodes and antinodes , 914. Explanation , 915. Analogous laws for rods and strings , 916. Application to measurement of velocity of ...
... pipes , and experimental organ , 910-912 . Bernouilli's laws for overtones of pipes , 913. Position of nodes and antinodes , 914. Explanation , 915. Analogous laws for rods and strings , 916. Application to measurement of velocity of ...
Página 868
... pipes , which we shall describe in a later chap- ter . It is easy to show by experiment that when a pipe speaks , the ... pipe . The sand will be thrown into violent agitation , and the rattling of the grains , as they fall back on the ...
... pipes , which we shall describe in a later chap- ter . It is easy to show by experiment that when a pipe speaks , the ... pipe . The sand will be thrown into violent agitation , and the rattling of the grains , as they fall back on the ...
Página 884
... pipes , forming a conduit of a total length of 951 metres . One end of the conduit was struck with a hammer , and an observer at the other end heard two sounds , the first transmitted by the metal , and the second by the air , the ...
... pipes , forming a conduit of a total length of 951 metres . One end of the conduit was struck with a hammer , and an observer at the other end heard two sounds , the first transmitted by the metal , and the second by the air , the ...
Página 900
... pipe ( the 16 - foot pipe ) of most organs . Its wave - length in air at a temperature at which the velo- city of sound is 1120 feet per second , is 10-35 feet . The highest note employed seldom exceeds A , the third octave of the A ...
... pipe ( the 16 - foot pipe ) of most organs . Its wave - length in air at a temperature at which the velo- city of sound is 1120 feet per second , is 10-35 feet . The highest note employed seldom exceeds A , the third octave of the A ...
Página 916
... tion - periods are directly as their linear dimensions . Their vibra- ORGAN PIPES . 917 tion - frequencies are consequently in. Fig . 622. - Fork on Sounding - box . Fig . 625. - Experimental Organ . Fig . 626. 916 MODES OF VIBRATION .
... tion - periods are directly as their linear dimensions . Their vibra- ORGAN PIPES . 917 tion - frequencies are consequently in. Fig . 622. - Fork on Sounding - box . Fig . 625. - Experimental Organ . Fig . 626. 916 MODES OF VIBRATION .
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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