 | John Tyndall - 1867 - 372 páginas
...so vibrate that the condensations of the one shall coincide with the condensations of the other, and the rarefactions of the one with the rarefactions...for example, shall urge the airparticles forward, while the other urges them backward. If the opposing forces be equal, particles so solicited will move... | |
 | John Tyndall - 1867 - 374 páginas
...so vibrate that the condensations of the one shall coincide with the condensations of the other, and the rarefactions of the one with the rarefactions...for example, shall urge the airparticles forward, while the other urges them backward. If the opposing forces be equal, particles so solicited will move... | |
 | John Tyndall - 1867 - 404 páginas
...so vibrate that the condensations of the one shall coincide with the condensations of the other, and the rarefactions of the one with the rarefactions...other requires a rarefaction ; that one fork, for exam pie, shall urge the airparticles forward, while the other urges them backward. If the opposing... | |
 | John Tyndall - 1867 - 364 páginas
...than that of either of them vibrating alone. It is, however, also easy to see that the two forks maybe so related to each other that one of them shall require...other requires a rarefaction ; that one fork, for exam pie, shall urge the airparticles forward, while the other urges them backward. If the opposing... | |
 | John Tyndall - 1869 - 386 páginas
...so vibrate that the condensations of the one shall coincide with the condensations of the other, and the rarefactions of the one with the rarefactions...where the other requires a rarefaction ; that one fork shall urge the air-particles forward, while the other urges them backward. If the opposing forces be... | |
 | John Tyndall - 1871 - 372 páginas
...so vibrate that the condensations of the one shall coincide with the condensations of the other, and the rarefactions of the one with the rarefactions...related to each other that one of them shall require a which, above all others, characterises wave-motion. j was this phenomenon, as manifested in optics,... | |
 | John Tyndall - 1875 - 466 páginas
...produce a sound of greater intensity than that of either of them vibrating alone. It is, however, also to see that the two forks may be so related to each...place where the other requires a rarefaction ; that the one fork shall urge the air-particles forward, while the other urges them backward. If the opposing... | |
 | Alexander Wilford Hall - 1880 - 544 páginas
...and as it is upon the difference of density between the condensations and rarefactions that loudnsss depends, the two vibrating forks thus supporting each...urges them backward [retreating and "leaving a partial vacitum"\ If the opposing forces be equal, particles so solicited will move neither backwards nor forwards,... | |
 | Alexander Wilford Hall - 1880 - 544 páginas
...this be the case, the two forks will assist eacfr other. The condensations will, in fact, become men condensed, the rarefactions more rarefied, and as...related to each other that one of them shall require a cmdensation at the place where the other requires 1 rarefaction; that one fork, for example, shall... | |
 | Alexander Wilford Hall - 1877 - 546 páginas
...two vibrating forks thus supporting each other will produce a sound of greater intensity than thai ej either of them vibrating alone. It is, however, also...condensation at the place where the other requires i rarefaction; that one fork, for example, shall nrge the air-particles forward ["swiftly advancing"]... | |
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If this be the case the two forks will assist each other. The condensations will, in fact, become more condensed, the rarefactions more rarefied, and as it is upon the difference of density between the condensations and rarefactions that loudness depends,... 
