waves

Question: Two perfectly identical wires are in unison. When the tension in one wire is increased by 1%, then on sounding them together 3 beats are heard in 2 sec. The initial frequency of each wire is :



1) $220{{s}^{-1}}$
2) $320{{s}^{-1}}$
3) $150{{s}^{-1}}$
4) $300{{s}^{-1}}$
Solution: Explanation: No Explanation
Vibration of String waves on string

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