Waves transfer energy from one place to another when particles, or electric and magnetic fields, vibrate.
Transverse waves transfer energy at ninety degrees to the direction of oscillation of the particles
Longitudinal waves oscillate in the same direction as energy transfer
Wave Period and Frequency
The number of waves passing a point each second is inversely proportional to the time it takes for one oscillation of the wave.
Waves: Example A
To find these values we must take care reading data from the graph.
Waves: Example B
Remember that 1 millisecond is 1/1000th of a second.
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