Skip to main content
Home
Contributors
Menu
Home
Contributors
Sign In
/
Ultrasonic waves are those sound waves having frequency __________? | Ace MCQs
ND
Nadeem Dar
5 years ago
General Knowledge
Ultrasonic waves are those sound waves having frequency __________?
A
between 20 hertz and 1000 hertz
B
between 1000 hertz and 20000 he
C
less than 20 hertz
D
more than 20 kilohertz
0
Discussion
0 Comments
No comments yet
Be the first to share your thoughts!