The Tension in Each of Two Strings Is Adjusted So

question 10

Multiple Choice

The tension in each of two strings is adjusted so that both vibrate at exactly 666 Hz.The tension in one of the strings is then increased slightly.As a result,six beats per second are heard when both strings vibrate.What is the new frequency of the string that was tightened?

• A) 672 Hz
• B) 660 Hz
• C) 669 Hz
• D) 663 Hz

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