A pianist plays the note “middle C.” The sound is made by
Chapter 12, Problem 1CQQ(choose chapter or problem)
Problem 1COQ
A pianist plays the note “middle C.” The sound is made by the vibration of the piano string and is propagated outward as a vibration of the air (which can reach your ear). How does the vibration on the string compare to the vibration in the air?
(a) The vibration on the string and the vibration in the air have the same wavelength.
(b) They have the same frequency.
(c) They have the same speed.
(d) Neither wavelength, frequency, nor speed are the same in the air as on the string.
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