Page 7 - WAVES
P. 7
What is Longitudinal Wave ?
A longitudinal wave is a wave which the vibration of particles in the medium is parallel the
direction of propagation of the wave.
backwards and
forwards movement
direction of wave
propagation
fixed
end
rarefaction rarefaction
direction of vibration of
particles
The particles of the medium (spring) move along the direction of the wave. The wave that travels
along the spring consists of a series of compression and rarefaction.
Example
1. Sound waves
7
