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A weight of 5 kg is required to produce the fundamental frequency of a sonometer wire. What weight is required to produce its octave? (a) 10 kg wt (b) 20 kg wt (c) 30 kg wt (d) 40 kg wt

A weight of 5 kg is required to produce the fundamental frequency of a sonometer wire. What weight is required to produce its octave?

(a) 10 kg wt

(b) 20 kg wt

(c) 30 kg wt

(d) 40 kg wt

Grade:12

2 Answers

Arun
25758 Points
2 years ago
In a sonometer wire,
fT
foctave=2ffundamental
Toctave=4Tfundamental
Moctaveg=4mfundamental
Moctave=
Vikas TU
14149 Points
2 years ago
n∝√T for 2n it is √4T
∴ Weight = 20 kg weight
Good Luck...................................................

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