Standing Waves in Air Columns – Practice Questions:1) A pipe open at both ends has a length of 0.565 m. If the speed of sound in air is 340 m/s, find:a) The wavelength of the sound that would produce the fundamental vibration in the pipe:b) The frequency of the fundamental vibration:2) An open-ended pipe 34cm in length has sound travelling in it at 340m/s.a) What is the wavelength of the fourth harmonic?b) What is the frequency of the fourth harmonic?3) A closed-ended pipe has sound travelling in it at 340 m/s. It produces a fundamental frequency of 240Hz.a) What is the length of the air column?b) What is the wavelength of the next possible harmonic above the fundamental frequency produced by this air column?4) A pipe, closed at one end has a length of 0.50 m. If the speed of sound in air is 340 m/s:a) Find the wavelength of the fundamental vibration in the pipe:b) Find the frequency of the fundamental vibration: Quick Answers:1a) 1.13m1b) 300.9 Hz2a) 0.17 m2b) 2000 Hz3a) 35.42cm (video answer is incorrectly stated as 31.25cm)3b) 0.42m4a) 2m4b) 170 Hz Worked Answers: