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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