A String,0

question 30

Multiple Choice

A string,0.15 m long,vibrating in the n = 5 harmonic,excites an open pipe,0.82 m long,into second overtone resonance.The speed of sound in air is 345 m/s.The distance between a node and an adjacent antinode,in the string,in mm,is closest to:

• A)15
• B)7.5
• C)23
• D)30
• E)150

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