An organ pipe open at both ends is 1.5 m long. A second organ pipe that is closed at one end and open at the other is 0.75 m long. The speed of sound in the room is 330 m/s. Which of the following sets of frequencies consists of frequencies which can be produced by both pipes?
a. 110 Hz, 220 Hz, 330 Hz
b. 220 Hz, 440 Hz, 660 Hz
c. 110 Hz, 330 Hz, 550 Hz
d. 330 Hz, 440 Hz, 550 Hz
e. 220 Hz, 660 Hz, 1 100 Hz
C
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