What is a longitudinal wave?
A sound wave.
What are compressions?
places where particles are packed together.
What are rarefactions?
places where particles are more spread out.
The oscillations of a longitudinal wave are..
parallel to the direction of propagation
What is an example of a transverse wave?
a water wave
the oscillations of a transverse wave are…
perpendicular to the propagation.
They can also travel through…
a vacuum (a place of no particles)
What are transverse waves used for?
electromagnetic spectrum.