ALL waves transfer energy
Transverse waves - oscillations perpendicular to direction of movement of the wave (e.g all Electromagnetic Waves)
Longitudinal waves - oscillations parallel to the direction of the movement of the wave (e.g Sound Waves)
Amplitude is the maximum displacement from the equilibrium to the peak/trough
Time period is the time taken for a source to produce a wave
Wavelength is the distance between a particular point on a wave and the same point on the next wave (e.g peak to peak)
Frequency (Hz) is the number of waves produced each second by a source / number of waves passing a particular point each second
All waves reflect, refract and diffract
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