Biomedical Engineering > GATE 2020 > Ultrasound Imaging
A 3 MHz ultrasound transducer transmits a 3-cycle long pulse into a soft tissue at normal incidence to fat and liver interface. The axial resolution (mm) and the amplitude reflection coefficient at fat-liver interface, respectively, are _______.
Use Ctissue = 1500 m/s, Cfat = 1450 m/s, Cliver = 1570 m/s, ρfat = 920 kg/m³, ρliver = 1060 kg/m³
A
0.5, 0.22
B
0.75, 0.22
C
0.5, 0.11
D
0.75, 0.11

Correct : d

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ultrasound transducer design GATE Biomedical Engineering 2020 axial resolution ultrasound ultrasound pulse reflection soft tissue ultrasound fat liver interface ultrasound physics ultrasound resolution GATE biomedical engineering questions

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