Q. In ultrasonography
A) Antigen-antibody interaction occur
B) High frequency sound waves are used
C) Magnetic waves are used
D) None of the above
Explanation
Ultrasonography is also called sonography or ultrasound imaging. It is the use of high frequency sound waves are produce images of structures within the human body. These waves are produced by the electrical stimulation of electric crystal.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.