Telecharger Cours

Correction 7 : Sons et Ultrasons

Exercice 1: 1) I = P/S = P/4?d2 = 2,39.10-3 W.m-2. L = 10.log I/I0 = 94 dB. 2) LT = 10.log IT/I0 avec IT = I1 + I2. LT = 10.log(I1/I0 + I2/I0).



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