Frequency of an open organ pipe is 300 Hz. The first overtone of this pipe is same as the first overtone of closed organ pipe. What is the length of c

Question

Frequency of an open organ pipe is 300 Hz. The first overtone of this pipe is same as the first overtone of closed organ pipe. What is the length of c

Frequency of an open organ pipe is 300 Hz. The first overtone of this pipe is same as the first overtone of closed organ pipe. What is the length of closed organ pipe ? (Speed of sound is 336m/s.)
A. 11cm
B. 42cm
C. 21cm
D. 84cm

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
`2n_0=3n_c`
`(2xx300)/(3) = n_c`
`n_c=200`
`l_c=(v)/(4n) = (336)/(4xx200)`
`=0.42m=42cm`

4 views Answered 2023-02-05 15:29