A 50.0 cm long organ pipe is filled with air at 10.0
and is open at both ends. The velocity of sound in air at 0.00 
is 331 m/s. Another 50.0 cm long organ pipe is filled with air at 15.0
and is open at both ends. What is the beat frequency between the fundamental modes of the two organ pipes?
A. 2.96 Hz
B. 2.45 Hz
C. 2.10 Hz
D. 1.94 Hz
E. 1.77 Hz
A. 2.96 Hz
Physics & Space Science
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