12:43 9 0 7 . 78 To get a full destructive interference between two waves travelling in the same direction, a time delay of At = 3 sec is created between the two waves. The frequency of each individual wave is: f = 1/4 Hz f = 1/6 Hz f = 1/5 Hz f = 1/3 Hz Two strings, A and B, have respective mass densities µA and µB respectively. The linear mass density, µB, of string-B is nine times that of string-A (µB = 9HA). If both strings %3D have the same fundamental frequency when kept at the same tension, then the ratio of their lengths LA / LB is equal to: 9.
12:43 9 0 7 . 78 To get a full destructive interference between two waves travelling in the same direction, a time delay of At = 3 sec is created between the two waves. The frequency of each individual wave is: f = 1/4 Hz f = 1/6 Hz f = 1/5 Hz f = 1/3 Hz Two strings, A and B, have respective mass densities µA and µB respectively. The linear mass density, µB, of string-B is nine times that of string-A (µB = 9HA). If both strings %3D have the same fundamental frequency when kept at the same tension, then the ratio of their lengths LA / LB is equal to: 9.
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