Question

why is sound wave called a longitudinal wave

Answer 1

longitudinal waves are the waves in which particles oscillates perpendicular to the direction of wave.

Answer 2

hey
______________

•sound waves are called longitudnal waves because when sound passes through air it vibtates back and forth parallel to the direction of sound wave , thus sound waves travels in horizontal durection, and its particles also vibrate back and forth in horizontal direction

hope helped
________________