Lecture-23 - Interference InterferenceandDiffraction...

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terference and Diffraction Interference and Diffraction Lecture #23 – Ch. 17.1 & 17.3 Physics 125–Fall 2010 Dr. Mike Melnichuk [email protected] Office: 2409 Randall Lab [email protected] ffice Hours: 2:00 :00 / Mon & Tue Rm 1416 Randall Lab Office Hours: 2:00 – 4:00 / Mon. & Tue. in Rm. 1416 Randall Lab.
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Quiz (from previous discussion) A car moving at 18 m/s sounds its 550-Hz horn. A bicyclist on the sidewalk, moving with a speed of 7.2 m/s, approaches the car head on. What frequency is heard by e bicyclist? ssume sound wave speed is 343 m/s. the bicyclist? Assume sound wave speed is 343 m/s. A. 570 Hz B. 593 Hz C. 601 Hz
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Linear Superposition When two (or more) waves are present in the same place, e NET DISTURBANCE is equal to the SUM f the the NET DISTURBANCE is equal to the SUM of the Disturbances of each individual wave.
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Interference INTERFERENCE = the COMBINATION of waves For LIGHT the Brightness Distribution will look like a comb with light (intensity) alternating between BRIGHT and DARK interference regions (fringes).
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This note was uploaded on 12/08/2011 for the course PHYSICS 125 taught by Professor Unknown during the Fall '08 term at University of Michigan.

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Lecture-23 - Interference InterferenceandDiffraction...

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