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The extension in a string (obeying Hooke's law) is x. The speed of sound in the stretched string is v. If the extension in the string is increased to 1.5x, what would the speed of sound be?
Dear student,
v/x=v'/1.5x
v'=1.5v
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Askiitians Expert
Sagar Singh
B.Tech, IIT Delhi
acc to me the correct answer is 1.22v as v is proportional to √x.
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