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A string when stretched by a weight of 4kg gives a note of frequency 256hz. What weight will produce a frequency twice the above frequency

A string when stretched by a weight of 4kg gives a note of frequency 256hz. What weight will produce a frequency twice the above frequency

Grade:12th pass

1 Answers

Harshit Singh
askIITians Faculty 5962 Points
11 months 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' = 16 kg

Thanks

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