Sound1879 - 178 páginas |
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Página 77
... nodal line parallel to the edges of the paper , in the form of a U with its two horns united by a straight line . The vibrations of the pipe can only reach the tumbler by going through the air , and , as the sand vibrates when the ...
... nodal line parallel to the edges of the paper , in the form of a U with its two horns united by a straight line . The vibrations of the pipe can only reach the tumbler by going through the air , and , as the sand vibrates when the ...
Página 106
... nodal line . No sound is now perceived , because in this position ( No. 3 ) a condensation and a rare- faction enter the ear together , for on the opposite sides of a nodal line the plate has always opposite directions of motion ...
... nodal line . No sound is now perceived , because in this position ( No. 3 ) a condensation and a rare- faction enter the ear together , for on the opposite sides of a nodal line the plate has always opposite directions of motion ...
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Términos y frases comunes
A-fork ALFRED MARSHALL APPLETON BALFOUR STEWART ball beats block blow bottle cardboard cause centi centimetres centre CHAPTER circle co-vibration column of air compound sound condensations cone curve diameter disk dots double pendulum draw drum-skin edge elastic EXPERIMENT fastened feet figure flame funnel gamut give glass tube harmonic heliostat hole inches length light line A B metres millimetres mirror monic motion mouth move musical nodal line number of vibrations octave paper periments piece pipe piston pitch plano-convex lens powder Prof prongs pull rarefaction rarefied resonant rest sand sand-pendulum screen screw sensation shown in Fig side silica simple sounds sings slide slit sonometer sonorous vibrations sonorous waves square string swing tion trace trumpet tumbler tune tuning-fork upright velocity velocity of sound vibrate the fork vibrating body vibrations per second whistle wire wooden