A tuning fork of frequency n resonates with a closed organ pipe when the length of the shortest air columns are a and b respectively, then the speed o

Question

A tuning fork of frequency n resonates with a closed organ pipe when the length of the shortest air columns are a and b respectively, then the speed o

A tuning fork of frequency n resonates with a closed organ pipe when the length of the shortest air columns are a and b respectively, then the speed of sound in air will be
A. n(a-b)
B. `(n(b-a))/(2)`
C. `2n(b+a)`
D. 2n(b-a)

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 - D
The first resonating length is
`lamda/4 = a+e`
The second resonating length is
`(3lamda)/(4) = b+e`
`b-a = lamda/2 therefore lamda = 2(b-a)`
As `v=nlamda =2n(b-a)`

4 views Answered 2023-02-05 15:29