Question

are waves having frequencies above the audiable range a) ultrasonic waves b) infrasonic waves c) audible waves d) none of these​

Answer 1

Answer: (a) Ultrasonic waves

Explanation:

Ultrasonic waves are those waves which have a frequency greater than 20kHz (20000Hz). We know that the audible range of frequencies for a human is 20Hz-20kHz. Ultrasonic waves exceed the audible frequency range therefore (a) Ultrasonic waves is the answer