Example Problem Solutions from:

Physics for Scientists & Engineers

by Douglas C. Giancoli
Volume 1, 4th Edition, Pearson Prentice Hall, Upper Saddle River, NJ, 2008

Chapter 16: Sound

"CHAPTER-OPENING QUESTIONS - Guess now!
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 our ear). Comparing the vibration on the string to the vibration in the air, which of the following is true?
(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 is the same in the air as on the string."

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