Questions
Three similar wires of frequency n1, n2 and n3 are joined to make one wire. Its frequency will be
detailed solution
Correct option is B
n=12lTm⇒n1l1=n2l2=n3l3=kl1+l2+l3=l⇒kn1+kn2+kn3=kn⇒1n=1n1+1n2+1n3+........Talk to our academic expert!
Similar 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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