In which type of wave do air particles move together or apart parallel to the direction of the wave?

A.
sound waves

B.
transverse waves

C.
surface waves

D.
electromagnetic waves

Question

In which type of wave do air particles move together or apart parallel to the direction of the wave?
 
 A.
sound waves
 
 B.
transverse waves
 
 C.
surface waves
 
 D.
electromagnetic waves

anonymous · Answer

@Greg_D

anonymous · Answer

- if they move parallel to the direction fo the wave, they are longitudinal, not transverse (is not B)
- Electromagnetic waves do not produce a displacement in a medium, so air would not move (not D)
- surface waves happens in liquids or solids, not air (so it cant be C)
:)