Question

A vibrating guitar string emits a tone simultaneously with one from a 495-Hz tuning fork. If...

A vibrating guitar string emits a tone simultaneously with one from a 495-Hz tuning fork. If a beat frequency of 5.00 Hz results, what is the frequency of vibration of the string? a. 2 480 Hz b. 500 Hz c. 490 Hz d. 250 Hz e. Either choice b or c is valid.

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Answer #1

Use the concept of beat frequency to find the frequency of vibration of string as shown below,

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