Two stretched wire of same length, diame...

Two stretched wire of same length, diameter and same material are in unison. The tension in one is increased by 2% and 2 beats per second are heard. What was the frequency of the note produced when they were in unison ?

100 Hz

200 Hz

300 Hz

400 Hz

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Two stretched wire of same length, diameter and same material are in unison. The tension in one is increased by 2% and 2 beats per second are heard. What was the frequency of the note produced when they were in unison ?

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