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UniSA Module 1 2023 with complete solution question and answers
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4

March 2023

2022/2023

A+
A 10dB difference in signal intensity is equivalent to a ... Tenfold The reflection coefficient between water and air is ... Nearly 100% The reflection coefficient between water and air interface is nearly 100%. Air prevents the sound from entering the body. It is for this reason that a coupling gel is necessary. How much will a 3.5MHz pulse be attenuated after passing through 2cm of soft tissue? 3.5dB. A rule of thumb approximating the attenuation coefficient of a reflected...
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