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WAVES Amplitude and phase Wavelength and Angular wave number Period T

WAVES Amplitude and phase Wavelength and Angular wave number Period T http://www.youtube.com/watch?v=9UKbBhKPxXQ. Amplitude and phase. Amplitude y m is a maximum displacement of the element from their equilibrium position as waves pass through them.

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WAVES Amplitude and phase Wavelength and Angular wave number Period T

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  1. WAVES • Amplitude and phase • Wavelength and Angular wave number • Period T • http://www.youtube.com/watch?v=9UKbBhKPxXQ

  2. Amplitude and phase • Amplitude ym is a maximum displacement of the element from their equilibrium position as waves pass through them. • The phase changes linearly with time t. Means that sine function oscillate between +1 and –1. previous

  3. Wavelength and Angular wave number • Wavelength is a distance between repeating unit of the wave shape. • Consider at time t=0 • y(x,0) = ym Sin (kx) previous

  4. Period • Consider and oscillation at x=0 and time t. The displacement of the element of the string can be shown below

  5. WAVES • 3 main types of waves….. • mechanical waves: most familiar. E g: water waves, sound waves, seismic waves • Electromagnetic wave: less familiar. E g : radio waves, visible light. • Matter waves: associated with electron, proton, and other fundamental http://www.youtube.com/watch?v=4CtnUETLIFs&feature=related

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