A vibration or disturbance that transfers energy.

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Presentation transcript:

A vibration or disturbance that transfers energy. WAVES A vibration or disturbance that transfers energy.

Types of Waves Transverse  Also known as Electromagnetic. The energy travels at right angles to the motion of the wave. Travels through a vacuum. Light is an example. Longitudinal  Also known as Compressional waves. The energy travels in the same direction as the motion of the wave. Must have a medium to travel through. Sound is an example.

Parts of Waves Electromagnetic: Longitudinal:

Speed of a wave Velocity = Frequency times wavelength v = ƒ λ Problem: How fast is a wave traveling that has a 245 Hertz frequency and a wavelength of 1.4m?