A wire under certain tension is in uniso...

A wire under certain tension is in unison with a tuning fork when tension in the wire is increased by 2%, 3 beats/second are produced. Find the frequency of tuning fork.

A

300Hz

B

297Hz

C

303Hz

D

306Hz

Text Solution

Verified by Experts

The correct Answer is:

A

`(Deltan)/(n) = 1/2 (DeltaT)/(T)`
`3/n = 1/2 xx2/100 therefore n_1=300`

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