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Calculate: (a) wavenumber and (b) fr...

Calculate: (a) wavenumber and (b) frequency of yellow radiation having wavelength `5000Å`

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Calculation of wavenumber `(barv)`
`lamda=5800Å=5800xx10^(-8)cm`
`=5800xx10^(-10)m`
`barv=(1)/(lamda)=(1)/(5800xx10^(-10)m)`
`=1.724xx10^(6)m^(-1)`
`=1.724xx10^(4)cm^(-1)`
(b).Calculation of the frequency (v)
`v=(c)/(lamda)=(3xx10^(8)ms^(-1))/(5800xx10^(-10)m)`
`=5.172xx10^(14)s^(-1)`
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