What is the principle on which sitar and violin are based?
What is reverberation?
Which is the sound wave that is below the human hearing?
What is speed of sound at sea level?
What is sound?
What is ultrasonic sound?
What is tone control?
For which type of waves is the principle of superposition valid?
What is constructive interfernce?
Give an example of transverse wave?
What is frequncy?
What is sonar?
What is amplitude?
Who first described how shock waves are formed?
What is anti - noise?