A sonometer wire is in unison with a tuning fork . When its length increases by 4% , it gives 8 beats/with the same fork. What is the frequency of the

Question

A sonometer wire is in unison with a tuning fork . When its length increases by 4% , it gives 8 beats/with the same fork. What is the frequency of the

A sonometer wire is in unison with a tuning fork . When its length increases by 4% , it gives 8 beats/with the same fork. What is the frequency of the fork ?
A. 196 Hz
B. 200 Hz
C. 204 Hz
D. 208 Hz

Monjur Alahi

4 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 - B
`(Deltan)/(n) = (Deltal)/(l_(2))`
`(8)/(n) = (4)/(104)`
`n = 2 xx 104 = 208 Hz`

4 views Answered 2023-02-05 15:29