Pianos Are Usually Strung with Multiple Identical Wires Sounding Each

question 45

Multiple Choice

Pianos are usually strung with multiple identical wires sounding each note. If two wires that are each meant to have a fundamental frequency of 283.5 Hz are played, and a beat frequency of 1.5 Hz is heard, by what fraction must the string which is lower in frequency than the other have its tension adjusted?

• A) 0.27%
• B) 0.53%
• C) Not enough information
• D) 1.1%

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