When a piano tuner strikes both the A above middle C on the piano and a 440 Hz tuning fork,he hears 4 beats each second.The frequency of the piano's A is
A)440 Hz
B)444 Hz
C)880 Hz
D)436 Hz
E)either 436 Hz or 444 Hz

Name: When a piano tuner strikes both the A above middle C on the piano and a 440 Hz tuning fork,he hears 4 beats each second.The frequency of the piano's A is A)440 Hz B)444 Hz C)880 Hz D)436 Hz E)either 436 Hz or 444 Hz
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Question

Quizplus · Accepted Answer

The Answer is E

When a Piano Tuner Strikes Both the a Above Middle