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If n1, nand n3 are the fundamental frequencies three segments into which a string is divided, then the original fundamental frequency n of the string is given by:

  • Option 1)

  • Option 2)

  • Option 3)

  • Option 4)


Answers (1)

As we discussed in


v\:=\:\frac{1}{2l}\sqrt{\frac{T}{\mu}}                             v\propto \frac{1}{l} \:or \:vl=K


v_{1}l_{1}\:=K\:\:\:\:\:\:\:\:\:[\because v=n]



or \frac{1}{n}=\frac{1}{n_{1}}+\frac{1}{n_{2}}+\frac{1}{n_{3}}


Option 1)

This option is correct.

Option 2)

This option is incorrect.

Option 3)

This option is incorrect.

Option 4)

This option is incorrect.

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