1.

Which of the following formulas is used for the calculation of ultrasonic attenuation coefficient (α)?a) α = 10 log(A0/A)/Xb) α = 20 log(A0/A)*Xc) α = 10 log(A0/A)*Xd) α = 20 log(A0/

A. α = 10 log(A0/A)/X
B. α = 20 log(A0/A)*X
C. α = 10 log(A0/A)*X
D. α = 20 log(A0/A)/X
Answer» E.


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