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Grade 11Wave Motion

The fundamental frequency of a string with a weight of 4kg is 256Hz.Then weight required to produce its octave

Profile image of Chikkala varun
8 Years agoGrade 11
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1 Answer

Profile image of Arun
8 Years ago
Dear Student
 
If the fundamental frequency of the spring is f
Then frequency of its octave is 2f.
f = K (T)1/2
2f = K(T')1/2
 
Hence T' = 4T
T' = 4*4 = 16 kg- wt
 
Regards,
Arun(AskIITians Forum Expert)