Why aren't beats heard when two different notes are played on the piano?
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Transcribed Image Text:REMARKS The assistant on the piano bench and the tuner running with the fork observe different beat
frequencies. Many physical observations depend on the state of motion of the observer, a subject
discussed more fully when learning about relativity.
QUESTION Why aren't beats heard when two different notes are played on the piano? (Select all that
apply.)
Beats occur only between a note and its next harmonic.
Beats result only from combining the same frequency from two sources.
The distinct piano notes are too different in frequency, so that the two waves get in and out of phase
too rapidly.
The beat frequency is the difference of the two frequencies, and two frequencies far enough apart
produce beats that are the same as an additional tone in its own right.
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