Calculate the wavelengths of sounds at the extremes of the audible range, 20 and 20,000 Hz, in 22°C air.
a) λ₂0 Hz = 17.2 m, λ₂0,000 Hz = 1.72 cm
b) λ₂0 Hz = 1.72 cm, λ₂0,000 Hz = 17.2 m
c) λ₂0 Hz = 34.4 m, λ₂0,000 Hz = 3.44 cm
d) λ₂0 Hz}= 3.44 cm, λ₂0,000 Hz = 34.4 m