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AP Physics 2
14.2 Periodic Waves
14.1 Properties of Wave Pulses and Waves
IntermediateMCQGraphicalMathematicalProportional Analysis21.1k
Gauge pressure \(\Delta P\) versus position \(x\) for a periodic sound wave at \(t = 0\).
Gauge pressure \(\Delta P\) versus position \(x\) for a periodic sound wave at \(t = 0\).
A sinusoidal sound wave travels through air at a constant speed of \(340\text{ m/s}\). The graph shows the gauge pressure \(\Delta P\) of the air as a function of position \(x\) along the path of propagation at time \(t = 0\). A second sound wave propagates through the same air medium with a frequency twice that of the first wave. Which of the following correctly pairs the wavelength \(\lambda_1\) of the first wave with the ratio of the wavelength of the second wave to that of the first wave, \(\lambda_2 / \lambda_1\)?

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