Question

why is sound wave called a longitudinal wave​

Answer 1

Sound waves in air (and any fluid medium) are longitudinal waves because particles of the medium through which the sound is transported vibrate parallel to the direction that the sound wave moves.

Answer 2

Answer:

Given below..

Explanation:

Sound is a longitudinal wave because in sound wave the particles of the medium vibrate to and fro about their mean position and the wave propagates in the same direction.