A uniform narrow tube 1.80 m long is open at both ends. It

Chapter 13, Problem 35P

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QUESTION:

Problem 35P

A uniform narrow tube 1.80 m long is open at both ends. It resonates at two successive harmonics of frequencies 275 Hz and 330 Hz. What is (a) the fundamental frequency, and (b) the speed of sound in the gas in the tube?

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QUESTION:

Problem 35P

A uniform narrow tube 1.80 m long is open at both ends. It resonates at two successive harmonics of frequencies 275 Hz and 330 Hz. What is (a) the fundamental frequency, and (b) the speed of sound in the gas in the tube?

ANSWER:

Step 1 of 3

Part (a)

The expression for the fundamental frequency is given by,

                                                                 

Here,  and  are the two successive frequencies.

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