 | Mary Somerville - Physical science - 1834 - 390 pages
...the strings be in perfect unison, there will be no beats, since there will be no interference. Thus by interference is meant the coexistence of two undulations, in which the lengths of the waves are the same ; and as the magnitude of an undulation may be diminished by the... | |
 | Mary Somerville - Physical sciences - 1834 - 484 pages
...the strings be in perfect unison, there will be no beats, since there will be no interference. Thus by interference is meant the coexistence of two undulations, in which the lengths of the waves are the same ; and as the magnitude of an undulation may be diminished by the... | |
 | George Biddell Airy - Astronomy - 1842 - 415 pages
...disturbance A {2?r 1* — (t>£ - tf) + ^( > , for which we may put f, (vt — < . fSTT a . sin / — when a single undulation only is considered. It is...interference is not in any circumstances easy-f-, and it is more particularly difficult with regard to Physical Optics, from our ignorance of the physical... | |
 | George Biddell Airy - Astronomy - 1842 - 438 pages
...disturbance \ (ZTT ]' = a sin < — (vt - x) + A \ , for which we may put a . sin | — (vt — x)\ when a single undulation only is considered. It is...conception of interference is not in any circumstances easy-j-, and it is more particularly difficult with regard to Physical Optics, from our ignorance of... | |
 | Mary Somerville - Physical sciences - 1849 - 568 pages
...the strings be in perfect unison, there will be no beats, since there will be no interference. Thus by interference is meant the co-existence of two undulations in which the lengths of the waves are the same. And, as the magnitude of an undulation may be diminished by the... | |
 | sir George Biddell Airy - 1858 - 438 pages
...velocity of sound. (Principia, Lib. n. Prop. 43.) for which we may put - / , a sin -I— (vt — I* when a single undulation' only is considered. It is...conception of interference is not in any circumstances easy*, and it is more particularly difficult with regard to Physical Optics, from our ignorance of... | |
 | George Biddell Airy - Light, Wave theory of - 1866 - 246 pages
...disturbance X (27T = asn • 1* (vt — x) + A\ , ) for which we may put siin •!— - (vt — x)r asm when a single undulation only is considered. It is...conception of interference is not in any circumstances easyt, and it is more particularly difficult with regard to Physical Optics, from our ignorance of... | |
 | M Vaughan - Technology & Engineering - 1989 - 612 pages
...motion, may be in any direction whatever. After detailed discussion of wave properties Airy came to: PROP. 5. To explain the interference of undulations....co-existence of two undulations in which the length of a wave i« the same. The tAiry was a leading proponent of the undulatory or wave theory of optics and subsequently... | |
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I* when a single undulation' only is considered. It is to be observed that a is the maximum vibration of any particle. PROP. 5. To explain the interference of undulations. 9. By interference is meant the co-existence of two undulations in which the length... 