Standing Sound Waves in a Utility ShaftA utility tunnel is a tube closed at one end. Wind blowing past the entrance produces standing sound wavesin the tunnel.(a) If the distance between adjacent compressions (or rarefactions) of the sound wave is 18.4 m when thetunnel is vibrating at its fundamental frequency of 18.6 Hz, what is the temperature in the tunnel?(answer: 19 °C)(b) What is the length of the tunnel? (answer: 4.60 m)(c) What are the wavelength and frequency of the third harmonic vibration of the tunnel? (answer: 236.13 m, f3 = 55.8 Hz)(d) How long does it take an air molecule to complete 5 oscillations at the frequency of the third harmonic?(answer: 89.6 ms)

Given: Wavelength,λ=18.4mFundamental Frequency,f=18.6HzSpeed of light,c=3×108m/s The lowest…

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