A pipe of length 2cm is open at both the ends which harmonic mode of the pipe is resonantly excited by a source of frequency 425Hz ? (Speed of sound v

Question

A pipe of length 2cm is open at both the ends which harmonic mode of the pipe is resonantly excited by a source of frequency 425Hz ? (Speed of sound v

A pipe of length 2cm is open at both the ends which harmonic mode of the pipe is resonantly excited by a source of frequency 425Hz ? (Speed of sound v= 340m/s)
A. First harmonic
B. Second harmonic
C. Third harmonic
D. Fourth harmonic

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=(v)/(2l) = (340)/(2xx0.20) = 850`
`n_1 = 2n = 2 xx425 = 850`

4 views Answered 2023-02-05 15:29