Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
Sound of frequency below 20 Hz is called | |
A. | audio sounds [Wrong Answer] |
B. | infrasonic [Correct Answer] |
C. | ultrasonic [Wrong Answer] |
D. | supersonics [Wrong Answer] |