Question
Physics Question on Electromagnetic waves
Which waves are used in sonography ?
A
Microwaves
B
Infrared rays
C
Radio waves
D
Ultrasonic waves
Answer
Ultrasonic waves
Explanation
Solution
Answer (d) Ultrasonic waves
Which waves are used in sonography ?
Microwaves
Infrared rays
Radio waves
Ultrasonic waves
Ultrasonic waves
Answer (d) Ultrasonic waves