Multiple Choice
By whipping a string up and down, you determine the fundamental frequency to be 4 Hz. If you attached the string to a motorized oscillator and increased the frequency to 28 Hz, how many loops would this standing wave have?
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Standing Waves
Multiple Choice
A 3m-long rope is stretched between two supports with a tension that makes the speed of transverse waves 60 m/s. What are the wavelength and frequency of the second overtone?
A
λ=2m;f=30Hz
B
λ=1m;f=60Hz
C
λ=3m;f=20Hz
D
λ=6m;f=10Hz
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