Question

3. 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 - 3) 150 s-1 4) 300 s-1​

Answer 1

Answer:

4) 300 ss-1

...........

Answer 2

Answer:

4)300/s

Explanation:

for explanation please see the attachment.

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