Superposition

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# Superposition - PowerPoint PPT Presentation

Superposition. Principle of Superposition If two or more waves occupy the same position at the same time, then the waves combine to form a new wave. The resulting wave has an amplitude that is the algebraic sum of the individual waves at that point.

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## PowerPoint Slideshow about 'Superposition' - wren

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Presentation Transcript
Superposition
• Principle of Superposition
• If two or more waves occupy the same position at the same time, then the waves combine to form a new wave. The resulting wave has an amplitude that is the algebraic sum of the individual waves at that point.
Distinguishes between particle mechanics and wave mechanics
• Particles never occupy the same position at the same time, nor do they obey the Principle of Superposition.
• Waves can occupy the same position at the same time, and they obey the Principle of Superposition
Equation for wave
• Can use Principle of Superposition to find equation for waves.
• Require wave to be periodic in time with cell size given by period
• Require wave to be periodic in space with cell size given by wavelength.
• Wave’s velocity must satisfy v = fl.