Standing Waves on a String: A 4.0-g string is 0.36 m long and is under tension. The string vibrates at 500 Hz in its third harmonic. What is the wavelength of the standing wave in the string?
A. 0.24 m
B. 0.36 m
C. 0.54 m
D. 0.72 m
E. 0.90 m
Answer: A
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