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[" bolferent frequengy,phose and anplitu...

[" bolferent frequengy,phose and anplitude to vibrate resonantly with a "],[" wo waves are approaching each other "],[" thavelocity,of "20m/s" and frequency "n" .(a) "0.25m" (b) "0.5m" (c) "1m" (d) "2r" ."],[[" that nodes is ",(c)(5)/(n)," (d) "(pi)/(10)," 6.5.For production of beats the two source "],[(20)/(n),(6)(10)/(n),(6)(5)/(n)+(11fm)/(10)" .Find in thave "]]

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