Reverberation of sound is used in a. Stethoscope b. Trumpets c. Megaphone d. All of these
Option D. Reverberation is the phenomenon of persistence of audible sound after the source has stopped emitting sound and is used in Megaphone, Stethoscope and Trumpets. Reverberation is the phenomenon of persistence of audible sound after the source has stopped emitting sound and is used in Megaphone, Stethoscope and Trumpets.
