1.

A wave of length 0.60 cm is produced in air and travels with a velocity of 340ms^(-1). Will it be audible to human ear?

Answer»

Solution :WAVELENGTH, `lamda=0.6xx10^(-2)m`
Velocity of sound, `V=340ms^(-1)`
Frequency, `n=(v)/(lamda)`
`=(340)/(0.6xx10^(-2))=566.66xx10^(2)`
`n=567xx10^(2)Hz`


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