A Music Tuner Uses a 554-Hz C# tuning Fork to Tune

question 69

Multiple Choice

A music tuner uses a 554-Hz C# tuning fork to tune the frequency of a musical instrument.If the tuner hears a beat frequency of 2 Hz,what is the frequency of the instrument?

• A)It must be 556 Hz.
• B)It must be 552 Hz.
• C)It could be either 556 Hz or 552 Hz.
• D)It could be either 553 Hz or 555 Hz.
• E)It is neither 556 Hz or 552 Hz.

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