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Chapter 17: Q. 53 (page 485)

In 1866, the German scientist Adolph Kundt developed a

technique for accurately measuring the speed of sound in various gases. A long glass tube, known today as a Kundt’s tube, has a vibrating piston at one end and is closed at the other. Very finely ground particles of cork are sprinkled in the bottom of the tube before the piston is inserted. As the vibrating piston is slowly moved forward, there are a few positions that cause the cork particles to collect in small, regularly spaced piles along the bottom. FIGURE P17.53 shows an experiment in which the tube is filled with pure oxygen and the piston is driven at 400 Hz. What is the speed of sound in oxygen?

Short Answer

Expert verified

The speed of the sound in oxygen is 328 m/s.

Step by step solution

01

the concept of the wavelength 

The concept of the wavelength in physics deifies the distance between two successive waves.

02

Calculation of the speed of the wave in oxygen 

The length is L and it has 3 wavelengths that are 32λ=L⇒λ23L

based on the frequency the speed of the sound is

v=λf=23Lf

therefore, the obtained numerically isrole="math" localid="1649075842234" f=23·1.23·400=328m/s

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