Created by StemPy LabA standing wave on a string is , with in metres and in seconds. Which of the following statements are correct?
One or more options are correct. Tick all the correct ones: a wrong option costs marks, and a part-right answer earns part of the marks.
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← A string 1.2 m long, with a linear mass density of 5.0 g/m, is fixed at both ends under a tension of 72 N. It vibrates in its third harmonic, and the amplitude at each antinode is 5.0 mm. What is the total energy of the vibration?A source of sound of frequency 400 Hz moves at 20 m/s straight towards a large wall. A listener stands at rest behind the source, on the same line, so the source moves away from the listener. The speed of sound is 340 m/s. Which of the following statements are correct? →
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