... into still water the velocity of the group is less than that of the individual waves of which it is composed ; the waves appear to advance through the group, dying away as they approach its anterior limit. This phenomenon seems to have been first... The Theory of Sound - Page 475by John William Strutt Baron Rayleigh - 1894 - 984 pagesFull view - About this book
| American Association for the Advancement of Science - Science - 1902
...advance through the group and die away at the anterior limit. Stokes has explained this by regarding **the group as formed by the superposition of two infinite...equal wave-lengths advancing in the same direction.** The mathematical formulation of this phenomenon as thus explained gives a resultant periodic motion... | |
| Science - 1878
...away as they approach its anterior limit. This phenomenon seems to have been first explained by Prof. **Stokes, who regarded the group as formed by the superposition...equal wave-lengths advancing in the same direction.** The writer's attention was called to the subject about two years since by Mr. Froude, and the same... | |
| Alfred Barnard Basset - Hydrodynamics - 1890 - 187 pages
...the individual waves of which it is composed. This phenomenon was first explained by Sir G. Stokes1, **who regarded the group as formed by the superposition...two infinite trains of waves of equal amplitudes and** nearly equal wave lengths, advancing in the same direction. 1 Smith's Prize Examination, 1876; and... | |
| Thomas Preston - Light - 1890 - 574 pages
...the group, dying away as they approach its anterior limit. Stokes first explained this by regarding **the group as formed by the superposition of two infinite trains of waves, of equal** amplitude and of nearly equal wave lengths, advancing in the same direction, and the same explanation... | |
| Thomas Preston - Light - 1895 - 574 pages
...group, 'lying away as they approach its anterior limit. Sir GG Stokes first explained this by regarding **the group as formed by the superposition of two infinite trains of** wives, of equal amplitude, and of nearly equal wave lengths, advancing in the Ğme direction, and the... | |
| American Association for the Advancement of Science - Science - 1902
...advance through the group and die away at the anterior limit. Stokes has explained this by regarding **the group as formed by the superposition of two infinite...equal wave-lengths advancing in the same direction.** The mathematical formulation of this phenomenon as thus explained gives a resultant periodic motion... | |
| American Association for the Advancement of Science - Science - 1902
...has explained this by regarding the group as formed by the superposition of two infinite trains ot **waves of equal amplitudes and of nearly equal wave-lengths advancing in the same direction.** The mathematical formulation of this phenomenon as thus explained gives a resultant periodic motion... | |
| Rob. W. Wood - Physical optics - 1905 - 546 pages
...a velocity less than that of the individual waves The explanation of the phenomenon was first given **by Stokes, who regarded the group as formed by the superposition of two infinite trains of waves, of** slightly different wave-length, which advanced in the same direction but with different velocities.... | |
| Robert Williams Wood - Physical optics - 1911 - 705 pages
...velocity less than that of the individual waves. The explanation of the phenomenon was first given.by **Stokes, who regarded the group as formed by the superposition of two infinite trains of waves, of** slightly different wave-length, which advanced in the same direction but with different velocities.... | |
| 1877
...away as they approach its anterior limit. This phenomenon seems to have been first explained by Prof. **Stokes, who regarded the group as formed by the superposition...equal wave-lengths advancing in the same direction.** The writer's attention was called to the subject about two years since by Mr. Froude, and the same... | |
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