Carhart, Henry S. (Henry Smith), 1844-1920 · Boston : Allyn and Bacon · leaf 206
a distancefrom the end of aboutone-fourth the distance between them.As this rod is gradually bent into theform of a tuning-fork*(Fig. 83), the nodesapproach each other;and when the forkis provided with astem the nodes are near the bottom of each branch. Thetwo branches then vibrate in unison, each… … Fig. 83. 196 SOUND. The vibration-frequency of the fork is independent ofthe breadth of the branches, but is directly proportionalto their thickness measured in the plane of vibration, andinversely proportional to the square of their length, i^tor n = K -, where K is a constant which equals for…
Physics
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