Waves are oscillations of particle that transfer energy from one point to another.
Examples of waves:
- Sound waves - produced by the vibration of matter (solid, liquid and gas). Sources: tuning fork, guitar string.
- Light waves - produced by the vibration of bundles of photons. Sources: Sun, light bulb.
- Water waves - produced by the vibration of water molecules. Sources: river, sea.
There are two main types of waves, namely longitudinal wave and transverse wave. A third type of wave constitute the combination between the two.
Longitudinal wave is the oscillation of a particle, in which the direction of wave propagation is parallel to the vector of the particle vibration. Transverse wave is a form of vibration in which the wave propagates at right angle to the vector of particle oscillation.
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