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30 August, 16:53

How do you measure the amplitude of a longitudinal wave?

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  1. 30 August, 19:16
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    You do it by the pressure difference it causes in the medium. Even in transversal waves, you usually need different units than meters because the wave has electric and magnetic vectors and not really any height to speak of.

    you measure the amount of excursion from the equilibrium (no wave) level of whatever parameter is fluctuating.
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