Question

if the particles of medium and sound wave travel perpendicular to each other then it is ​

Answer 1

$\huge\mathfrak\red{\underline{Answer}}$

Transverse waves are always characterized by particle motion being perpendicular to wave motion. A longitudinal wave is a wave in which particles of the medium move in a direction parallel to the direction that the wave moves. ... A sound wave traveling through air is a classic example of a longitudinal wave.