Fa08_7C_3

Fa08_7C_3 - Quiz 2 Physics 7C Fa 2008 Lecture 3: Waves Quiz...

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Quiz 2
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Physics 7C Fa 2008 Lecture 3: Waves Quiz 2 Understanding Interference
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Reviewing the Basics Constructive Interference: total phase equivalent Destructive Interference: total phase separated by half cycle Note: these waves have identical periods and wavelengths, but that is not always the case!
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Interference for differing frequencies: Beats. 1 2 3 4 5 What type of interference occurs at each point?
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Interference for differing frequencies: Beats 1 2 3 4 5
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Interference for differing frequencies: Beats 1 2 3 4 5 The carrier frequency The beat frequency
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Interference for differing frequencies: Beats What’s happening at the gold arrows? What’s happening at the black arrows?
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Checking 1D interference Two speakers are wired into different function generators with slightly different frequencies. They have identical wiring, and are placed face-to-face. What type of interference results? A) Constructive B) Destructive C) Partial D) Depends on what time you choose E) Insufficient information to decide
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Checking 1D interference Two speakers are wired into different function generators with slightly different frequencies. They have identical wiring, and are placed face-to-face. What type of interference results? A) Constructive B) Destructive C) Partial D) Depends on what time you choose E) Insufficient information to decide
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Introducing 2D Interference: The Ripple Tank Try to spot… Places that are very deep
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This note was uploaded on 05/30/2009 for the course PHY 7C taught by Professor Mahmud during the Fall '08 term at UC Davis.

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Fa08_7C_3 - Quiz 2 Physics 7C Fa 2008 Lecture 3: Waves Quiz...

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