The fundamental frequency of an open end pipe is 300 Hz, when air is at a temperature of `27^@C`. If the temperature increases to `29^@C` , then the f

Question

The fundamental frequency of an open end pipe is 300 Hz, when air is at a temperature of `27^@C`. If the temperature increases to `29^@C` , then the f

The fundamental frequency of an open end pipe is 300 Hz, when air is at a temperature of `27^@C`. If the temperature increases to `29^@C` , then the frequency becomes
A. 299 Hz
B. 300 Hz
C. 301 Hz
D. 302 Hz

Monjur Alahi

6 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
`(Deltan)/(n) = 1/2 (DeltaT)/(T)`
`=(2)/(2xx300) = 1/300`
`Delta n = 300/300 =1 therefore Delta n= n_2 - n_1 =1`
`n_2 = n_1+1=300+1 = 301Hz`

6 views Answered 2023-02-05 15:29