Q. 66 A5.0( 3 Votes )
Define the following terms:
(2) Echocardiography, and
(1) Echolocation is the technique by which objects are located by sensing time of echo of the sound emitted
(2) Formation of image of the heart by reflection of ultrasound from heart IS called echocardiography.
(3) Creating images of different parts of the body by means of reflection of ultrasound is called Ultrasonography.
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How is ultrasound used in cleaning?Together with Science
Ultrasonic are not used in:Evergreen - Science
The speed of highly penetrating ultrasonic waves is:
A. lower than those of audible sound waves
B. higher than those of audible sound waves
C. much higher than those of audible sound waves
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What type of waves are generated by SONAR device fixed to a fishing ship?
A. water waves B. radio waves
C. sound wavesD. infrared wavesLakhmir Singh & Manjit Kaur - Physics