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 freque

Question

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 freque

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

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

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

5 views Answered 2023-02-05 15:29