Fundamental frequency,So, frequency of 4th harmonic is, F4=4ᳵ62.5=250 HzNow,F44=440 cm

Q. 36

A steel wire of m

Answer :

Fundamental frequency,

So, frequency of 4^th harmonic is, F₄=4ᳵ62.5=250 Hz

Now,

F₄₄=

₄40 cm

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