1) You are given a tube with a diameter of d = 37.38 mm. Calculate the End-Correction Factor (ECF). Be sure to convert to meters (m). 2) The tube has one end closed and is filled with water so that the air column inside has a length of 39.9 cm. A speaker with a constant frequency sound is on top of the tube and generates the second resonance (n = 3). Using the ECF you calculated in the previous question determine the wavelength (A) of the speaker sound. 3) For the situation described above, the frequency of the sound waves is f = 628 Hz. Using the calculated wavelength in the previous question, find the velocity of the sound.

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Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.