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
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?
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
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
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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