Questions
The fundamental frequency of a string stretched with a weight of 4 kg is 256 Hz. The weight required to produce its octave is
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Correct option is D
n=12lTm⇒n∝T For octave, n'=2n⇒n'n=T'T=2⇒T'=4T=16kg-wtSimilar Questions
A wire having a linear density of 5 g/m is stretched between two rigid supports with a tension of 450 N. It is observed that the wire resonates at a frequency of 420 Hz. The next highest frequency at which the same wire resonates is 490 Hz. Find the length of the wire. (in m)
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