Question

In a loudspeaker, due to back and forth motion of the _______________, sound waves are produced in air. *​

Answer 1

Explanation:

Sound waves are called longitudinal waves because the particles move back and forth in the direction of the wave movement. A transverse wave is like a wave on the sea in which the particles of water move vertically and not in the direction of the wave itself. ... Sound needs a medium in which to travel.