Difference Between Transverse and
Longitudinal Waves
Waves are disturbances that transfer energy from one place to another, and they can be classified into two
main types: transverse waves and longitudinal waves. Here, we will explain the key differences between
these two types of waves.
Definition of Types of Waves
Transverse Wave: In a transverse wave, the particles of the medium move perpendicular to the
direction of the wave's energy propagation. A common example of a transverse wave is light waves
or waves on a string.
Longitudinal Wave: In a longitudinal wave, the particles of the medium move parallel to the
direction of the wave's energy propagation. Sound waves in air are a typical example of longitudinal
waves.
Key Differences
The main differences between transverse and longitudinal waves can be summarized as follows:
Characteristic
Transverse Waves
Longitudinal Waves
Particle Motion Perpendicular to wave direction Parallel to wave direction
Examples
Light waves, Waves in a string Sound waves, Compression waves in a spring
Conclusion
To directly answer the question:
The difference between a transverse wave and a longitudinal wave is the direction in which the particles
in the medium move. In transverse waves, particles move perpendicular to the wave direction, while in
longitudinal waves, they move parallel to it.
Further Exploration
Khan Academy Waves Introduction The Physics Classroom: Waves