The Three Lowest Resonant Frequencies of a System Are 50

question 38

Multiple Choice

The three lowest resonant frequencies of a system are 50 Hz, 150 Hz, and 250 Hz. The system could be

• A) a tube of air closed at both ends.
• B) a tube of air open at one end.
• C) a tube of air open at both ends.
• D) a vibrating string with fixed ends.