densation represents a wave crest, while a rare-faction represents a trough, and from condensation tocondensation is a wave length. Interference. — If two sound waves of the same lengthproceed in the same direction or in opposite directions sothat they coincide in their phases, they will… … Experiment 107. — Take two T-shaped tubes, B and K^ and join themas in Fig. 131, using rubber tubes, /^and C, and attach a funnel, A^ to one end and a shorttube, //, to theother. Hold Hto your ear whilesome one else_ blows a whistle F^^- ^31. ^tA. If C and /^ are of such lengths that a rarefaction…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-393-267.webp)
