A pipe organ with open-tube pipes spans the range of human hearing, 20 Hz - 20,000 Hz. What are the lengths of the shortest and longest pipes?
A) 17.2 m, 0.0172 m
B) 0.0172 m, 17.2 m
C) 34.4 m, 0.0086 m
D) 0.0086 m, 34.4 m