Sound waves are mechanical waves. Which statement is true for this type of wave?Select one of the options below as your answer:
A. Sound waves transport their energy through a vacuum.
B. Particles of the medium are displaced completely from their initial positions, moving along with the wave front.
C. Particles of the medium move perpendicular to the direction of the energy transport.
D. Sound waves require a medium in order to transport energy

Can someone help please?

Question

Sound waves are mechanical waves. Which statement is true for this type of wave?Select one of the options below as your answer:
A. Sound waves transport their energy through a vacuum.
B. Particles of the medium are displaced completely from their initial positions, moving along with the wave front.
C. Particles of the medium move perpendicular to the direction of the energy transport.
D. Sound waves require a medium in order to transport energy

Can someone help please?

anonymous · Answer

Sound wave is a longitudinal wave and it needs a medium to spread out.

anonymous · Answer

c