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22-05-2022
Physics

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A stationary sound waves has a series of nodes. The distance between the first and the 6th node is 30cm. What is the wavelength of the sound wave

Respuesta :

22-05-2022

Answer:

Assume a node at the left end and the right end

N-A-N-A-N-A-N-A-N-A-N shows nodes and anti-nodes

10 quarter wavelengths are shown (or 2.5 wavelengths)

30 / 2.5 = 12 cm wavelength since there is 1/4 wavelength between node and anti-node

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