Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 280
[286- with mirrors. If the horizontal fork first vibrates alone, a horizontal luminousoutline is seen on the screen, while the vibration of the other produces avertical image. If both tuning-forks vibrate simultaneously, the two motionscombine, and the reflected pencil describes a more or less… … Fig. 263. Fig. 263 shows the luminous image on the screen when the tuning-forksare in unison ; that is, when the number of vibrations is equal. The fractions below each curve indicate the differences of phase betweenthem. The initial form of the curve is determined by the difference of phase.The…
Physics
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