the air particles vibrate perpendicular to the direction of wave propagation when sound travels through…

the air particles vibrate perpendicular to the direction of wave propagation when sound travels through it.\na true\nb false
Answer
Brief Explanations:
Sound waves in air are longitudinal waves. In longitudinal waves, the particles of the medium (air particles in this case) vibrate parallel to the direction of wave propagation, not perpendicular.
Answer:
b. FALSE