When a tuning fork of frequency 565 Hz vibrates beside a piano string, beats are heard. The string is loosened slightly and the beats go away. What was the original frequency of the string?
A. 565 Hz
B. greater than 565 Hz
C. less than 565 Hz
Frequently Asked Questions
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Our tutors have indicated that to solve this problem you will need to apply the Beats concept. You can view video lessons to learn Beats. Or if you need more Beats practice, you can also practice Beats practice problems.
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