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Two Whistles Produce Sounds with Wavelengths 3

Question 63

Multiple Choice

Two whistles produce sounds with wavelengths 3.40 m and 3.30 m.What is the beat frequency produced? (the speed of sound is 340 m/s)

A) 0.1 Hz
B) 1.0 Hz
C) 2.0 Hz
D) 3.0 Hz
E) 4.0 Hz

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