What are the three longest wavelengths for standing waves on a 280-cm-long string that is fixed at both ends? enter your answers
1 answer:
Three longest wavelengths will correspond to the three modes of vibration that has the least amount of nodes. For a standing wave on a string fixed on both ends we have the following formula:
Where L is the length of a string and n is the number of nodes of the standing wave.
From this formula, we see that the more nodes you have the lower your wavelength is.
We need to calculate wavelengths for n=1, n=2, and n=3.
Where L is the length of a string and n is the number of nodes of the standing wave.
From this formula, we see that the more nodes you have the lower your wavelength is.
We need to calculate wavelengths for n=1, n=2, and n=3.
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