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Books Books 1 - 5 of 5 on To suppose, as is sometimes done in optical speculations, that a train of simple....  
" To suppose, as is sometimes done in optical speculations, that a train of simple waves may begin at a given epoch, continue for a certain time involving it may be a large number of periods, and ultimately cease, is a contradiction in terms. "
The Theory of Sound - Page 73
by John William Strutt Baron Rayleigh - 1894 - 984 pages
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The Theory of Sound, Volume 1

John William Strutt Baron Rayleigh - Sound - 1894 - 984 pages
...accordingly in all cases equivalent to a combination of simple vibrations of frequencies n, n + m, n m, n + 2m, n 2m, &c. It may be well here...solution of the equation for free vibration, viz. u + KU, + n*u = 0 ........................ (1). may be put into another form by expressing the arbitrary...
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The theory of sound, Volume 1

Baron John William Strutt Rayleigh - Sound - 1894
...equivalent to a combination of simple vibrations of frequencies n, n + m, n m, n + 2m, n 21, &c. It may be well here to emphasise that a simple...solution of the equation for free vibration, viz. ii + Ku + nu = 0 (1). may be put into another form by expressing the arbitrary constants of integration...
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Physical Review, Volume 2

Physics - 1895
...frequency m. In connection with this the author shows to be inadmissible the assumption sometimes made in optical speculations, that a train of simple waves...begin at a given epoch, continue for a certain time, and ultimately cease. Article (660) gives a more general treatment to the problem of free vibrations,...
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scientific papers

Van L. Lawrence - Medicine - 1939 - 244 pages
...that arises is as to the character of absolutely simple waves ; and here "it may be well to emphasize that a simple vibration implies infinite continuance,...and ultimately cease, is a contradiction in terms*." A like contradiction is involved if we speak of unpolarized light as homogeneous, really homogeneous...
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Philosophical Magazine

Science - 1900
...sometimes done in ojitical s|>eeulations. that a train of simple waves may In-gin at a given e|Kx-h, continue for a certain time involving it may be a large number of jx'riods, and ultimately cease, is a contradiction in terms" f. A like contradiction is involved if...
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