A 600 Cm Long Organ Pipe Is Filled with Air at at 15

A 60.0 cm long organ pipe is filled with air at 15 $^{\circ}$ C and is open at both ends.The velocity of sound in air at 0.000 $^{\circ}$ C is 331 m/s.Another 60.0 cm long organ pipe is filled with air at 25.0 $^{\circ}$ C and is open at both ends.What is the beat frequency between the second modes of the two organ pipes?

A) 9.20 Hz
B) 9.33 Hz
C) 9.54 Hz
D) 9.75 Hz
E) 9.99 Hz

Correct Answer:

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