A pipe opened at both ends prpduces a note of frequency `f_(1)`. When the pipe is kept with `3/4th` of its length in water, it produces a note of freq

Question

A pipe opened at both ends prpduces a note of frequency `f_(1)`. When the pipe is kept with `3/4th` of its length in water, it produces a note of freq

A pipe opened at both ends prpduces a note of
frequency `f_(1)`. When the pipe is kept with `3/4th` of its
length in water, it produces a note of frequency `f_(2)`.
The ratio `f_(1)/f_(2)` is
A. `3/4`
B. `4/3`
C. `1/2`
D. 2

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 - c
For open pipe, `f_(1)=v/(2l)`
and for closed pipe `f_(2)=v/(4xx(l/4))=v/l=2f_(1) rArr (f_(1))/(f_(2))=1/2`

4 views Answered 2023-02-05 15:29