There Are Two Identical Organs with Pipes Having Fundamental Frequencies $^{\circ}$

question 44

Multiple Choice

There are two identical organs with pipes having fundamental frequencies of 264.0 Hz at 20 $^{\circ}$ C.One organ is located at the front of the auditorium where the temperature is 20 $^{\circ}$ C and one at the back where the temperature in 25.0 $^{\circ}$ C.What is the beat frequency when the two organs sound this note simultaneously?

• A) zero since it is the same note
• B) 2.64 Hz
• C) 31.2 Hz
• D) 4.51 Hz

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