A String,0

question 6

Multiple Choice

A string,0.26 m long,vibrating in the n = 6 harmonic,excites an open pipe,0.88 m long,into second overtone resonance.The speed of sound in air is 345 m/s.The common resonant frequency of the string and the pipe,in SI units,is closest to:

• A)590
• B)390
• C)490
• D)690
• E)760

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