Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 293
earance on thescreen experiences a gradual diminution of length in proportion as the ampli-tude of the vibration diminishes ; but if the pitch of one is very little altered,the magnitude of the image varies periodically, and, while the beats resultingfrom the imperfect harmony are distinctly heard,… … Fig. 278 is effected as shown in fig. 278 ; that is, by means of two tuning-forks, oneof which is horizontal and the other vertical, and both provided with mirrors. r 2 276 Oti Sotmd [288 If the horizontal fork first vibrates alone, a horizontal luminous outline isseen on the screen, while the…
Physics
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