Physics
Related Questions
The sound of frequency less than 20 Hz is called :
- supersonic
- infrasonic
- ultrasonic
- ultrasound
The properties of ultrasound that make it useful, are:
- High power and high speed
- High power and good directivity
- High frequency and high speed
- High frequency and bending around the objects
What do you mean by the audible range of frequency?
What is the audible range of frequency for humans?