6B Ch 15 (Official) - Types of Waves There are two main...

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Types of Waves ! There are two main types of waves ! Mechanical waves ! Some physical medium is being disturbed ! The wave is the propagation of a disturbance through a medium ! Examples are ripples in water, sound ! Electromagnetic waves ! No medium required ! Examples are light, radio waves, x-rays
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Mechanical Wave Requirements ! Some source of disturbance: to start the wave ! A medium that can be ! disturbed " ! Some physical mechanism through which elements of the medium can influence each other ! This requirement ensures that the disturbance will, in fact, propagate through the medium
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Sinusoidal Waves ! The simplest wave ! Valid in general for small amplitudes ! The shape remains the same but moves
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