2010 PHYSICS 002C Lecture 08

2010 PHYSICS 002C Lecture 08 - PHYSICS 002C Lecture 08...

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PHYSICS 002C Lecture 08 April 14, 2010 Serway and Jewett Chapter 14.5-7 Organ pipes and Beats Clicker Q1: The sum of two solutions of a linear wave equation is also a solution a) always; b) never; c) sometimes; d) often e) approximately. Searchlight interference Clicker Q2: The open end of an organ pipe is approximately a displacement a) node; b) edon; c) antinode; d) stop; e) gap. Clicker Q3: What happens to the lowest resonant frequency of Koenig’s organ pipe when its open end is covered with the white stopper? The frequency a) stays the same; b) doubles; c) quadruples; d) the pipe doesn’t work; e) triples. Organ pipe by Karl Rudolph Koenig, (1832-1901) inventor of the tuning fork Chap 14.5 Standing waves in air columns Air columns may have nodes or anti nodes at the ends. An open organ pipe has approximately displacement antinodes at each end. L nv nv f n 2 / / An organ pipe open on only one end has a displacement node and a displacement antinode at the ends. L
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2010 PHYSICS 002C Lecture 08 - PHYSICS 002C Lecture 08...

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