## College Physics (4th Edition)

Published by McGraw-Hill Education

# Chapter 12 - Multiple-Choice Questions - Page 462: 10

#### Answer

The system could be: (b) a tube of air open at one end

#### Work Step by Step

A pipe that is closed at one end can only produce odd harmonics. That is, the pipe can produce $f_1, ~3f_1, ~5f_1, ~7f_1,~9f_1,~etc...$ If $f_1 = 50~Hz$, then the three lowest frequencies are $50~Hz, 150~Hz,$ and $250~Hz$. The system could be: (b) a tube of air open at one end

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