An open pipe resonates to a fundamental frequency 300 Hz and closed pipe to a fundamental frequency 150Hz. If they are joined to form a longer closed

Question

An open pipe resonates to a fundamental frequency 300 Hz and closed pipe to a fundamental frequency 150Hz. If they are joined to form a longer closed

An open pipe resonates to a fundamental frequency 300 Hz and closed pipe to a fundamental frequency 150Hz. If they are joined to form a longer closed tube, then the fundamental frequency of resonance will be
A. 72Hz
B. 75Hz
C. 45Hz
D. 47Hz

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
`n=(n_1n_2)/(2n_2n_1)=(300xx150)/(300+300) = (300xx150)/(600) = 75`

4 views Answered 2023-02-05 15:29