Lecture-23 - Interference Lecture#23 Ch.17.1&17.3...

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Interference and Diffraction L t #23 Ch 17 1 & 17 3 Lecture #23 – Ch. 17.1 & 17.3 Physics 125 – Fall 2010 Dr. Mike Melnichuk [email protected] Office: 2409 Randall Lab [email protected] Office Hours: 2:00 4:00 / Mon & Tue in 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 the bicyclist? Assume sound wave speed is 343 m/s. A 570 H the bicyclist? Assume sound wave speed is 343 m/s. A. 570 Hz B. 593 Hz C. 601 Hz
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