Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 217
e other bottle in thesame way and then arrangethem, with their mouths closetoo^ether, as shown in Fig. 241.Make the fork vibrate, andthen, holding it horizontally,bring it down so that the spacebetween the prongs is oppositethe mouth of the upright bottle.As it is brought into place youwill observe… … Fio. 241.—Interference with tworesonators. DOPPLERS PRINCIPLE 207 while that in the other is put in vibration by the air on theother side of tlie prongs; and these, as we have seen, are inopposite phases. Hence they interfere and produce silence. If a card is slipped over the mouth of one of the…
Physics
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