What kinds of sounds have the frequency of 60000 Hz ?
The frequencies in between the range from 20Hz to 20000kHz are called audible frequencies .
The frequencies , above 20,000Hz , are called ultrasonic frequencies .
The frequencies , below 20Hz , are called infrasonic frequencies .
As the given frequency (60000Hz) is above 20000Hz , therefore it is ultrasonic frequency and sound is ultrasonic sound .