Question

3. The technique of echocardiography is based on the reflecting property of ------ waves.
a) infrasonic
b) ultrasonic
c) audible
A in
waves
particles of the medium vibrate perpendicular to the direction of wave​

Answer 1

Answer:

c number is the answer of this question

Answer 2

Answer:

Technique of echocardiography is based on reflection property of ultrasonic waves.