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calculate (a) wavenumber and ( b) freque...

calculate (a) wavenumber and ( b) frequency of yellow radiation having wavelength 5800 A.

Text Solution

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Wavelength `(lambda) =5800 Ã… =5800 xx 10^(-10)m`
Wave number `(bar(v))=(1)/(lambda)=(1)/((5800 xx 10^(-10)m))=1.724 xx 10^(6)m^(-1)`
Frequency `(v)=(C)/(lambda)=((3.0 xx 10^(8)ms^(-1)))/((5800 xx 10^(-10)m))=5.172 xx 10^(14)s^(-1)`
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