Sound waves of wavelength greater than that of audible sound are called

Question

Sound waves of wavelength greater than that of audible sound are called (A) Seismic waves (B) Sonic waves (C) Ultrasonic waves (D) Infrasonic waves

Tardigrade Admin · Accepted Answer

Sound waves having wavelength greater than that of audible sound has frequency less than that of audible sound and are called infra-sonic.

Q. Sound waves of wavelength greater than that of audible sound are called