The speed of sound wave in a medium is 1200m/s. If 2400 waves are passing through a point in the medium in one minute ,the wavelength of the wave is

Explanation

`v = 1200m/s`,
`n = 2400 `wave/min `= 2400/60 = 40` m/s
`v = nlamda
`therefore lamda = v/n = 1200/40 =30 m`.