Biomedical Engineering > GATE 2025 > Ultrasound Physics
Which of the following statement(s) about ultrasound waves is/are true?
A
Acoustic impedance of biological tissues is directly proportional to its density
B
The reflection coefficient depends on the impedance mismatch at the interface of two biological tissues
C
The transmission coefficient is independent of the impedance of biological tissues
D
Biological tissues do not reflect ultrasound waves

Correct : a

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