Find the minimum and maximum wavelengths of sound in water that is in the audible range (20 - 20000 Hz) for an average human ear. Speed of sound in water = 1500 m/s.
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(7.5 cm, 75 m)
λ = 
⇒ λ maximum = 
= 
= 75 m
λ minimum = 
= 
= 75 mm
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